Mineral Fibers
Minerals
Silicic Acid
Asbestos
Asbestos, Serpentine
Asbestos, Amphibole
Glass
Asbestos, Amosite
Silicates
Zeolites
Mesothelioma
Manufactured Materials
Air Pollutants, Occupational
Aluminum Silicates
Ceramics
Asbestosis
Nerve Fibers
Mineral Oil
Carbon Compounds, Inorganic
Pleura
Dietary Fiber
Muscle Fibers, Skeletal
Occupational Exposure
Mining
Pleural Neoplasms
Lung
Microscopy, Electron, Scanning
Macrophages, Alveolar
Carcinogens
Muscle Fibers, Fast-Twitch
Muscle Fibers, Slow-Twitch
Cotton Fiber
Smoke
Rats, Wistar
Risk
Osteoporosis
Bone and Bones
Stress Fibers
Purkinje Fibers
Bone Diseases, Metabolic
Nerve Fibers, Myelinated
Calcification, Physiologic
Mossy Fibers, Hippocampal
Biological effects of man-made mineral fibers (I)--Reactive oxygen species production and calcium homeostasis in alveolar macrophages. (1/188)
10 types of standard mineral fiber samples (JFM fibers) were tested for their cytotoxicity in alveolar macrophages (AM) in vitro experiments, in which UICC chrysotile B was used as a positive control. The cytotoxicity included the production of superoxide anion radical and hydrogen peroxide, depletion of glutathione (GSH) and increase of intracellular free calcium. The results showed that chrysotile and most of the 10 mineral fibers could increase the production of superoxide anion and hydrogen peroxide, deplete the concentration of GSH and increase the level of free intracellular Ca2+ in AM. But all the effects of JFM fibers were lower than that induced by UICC chrysotile B. Although the cytotoxicity of JFM fibers were lower than that of asbestos, these mineral fibers should be used with highly care for workers in industries. (+info)A clearance model of inhaled man-made fibers in rat lungs. (2/188)
A clearance model of inhaled man-made fibers (MMFs) was developed, and the calculated fiber numbers and dimensions were compared with the experimental ones using a glass fiber (GF), ceramic fiber (RF1) and two potassium octatitanate whiskers (PT1, TW). If the translocation rate by macrophages is constant and the effect of dissolution and disintegration can be ignored, the fiber number is expected to decrease exponentially with time. In the experimental study, however, the fiber number did not always decrease exponentially. In the case of RF1, the fiber number decreased almost exponentially and the diameter decreased linearly with the time. The clearance rate constant of GF during 3 to 6 months after the end of one-month exposure was greater than that during 1 to 3 months. On the contrary, the clearance rate constants of PT1 and TW during 1 to 6 months were greater than next six months. The diameter and the length of GF did not change significantly. The fiber length of PT1 tends to become longer with time although the diameter did not change significantly. Our theoretical model gives a satisfactory fit to these experimental results. (+info)A retired shipyard worker with rapidly progressive pulmonary interstitial fibrosis. (3/188)
We present a case of progressive interstitial fibrosis in a retired shipyard worker who was exposed to asbestos during the postwar era of the late 1940s and 1950s, when asbestos exposures in the workplace were not regulated. Forty years later, at 63 years of age, the patient presented with restrictive lung disease. The patient was diagnosed with asbestos-related pleural disease and parenchymal asbestosis. He remained stable for the next 7 years, but then he began to manifest rapid clinical progression, which raised the possibility of an unusual variant of asbestosis, a concomitant interstitial process, or an unrelated disease. Lung biopsy was not undertaken because of the patient's low pulmonary reserve and limited treatment options. An empiric trial of oral steroids was initiated, but his pulmonary status continued to deteriorate and he died of pulmonary failure at 72 years of age. Many diseases result in pulmonary interstitial fibrosis. Ideally, open lung biopsy should be performed, but this procedure inevitably causes complications in many patients with end-stage restrictive lung disease. Furthermore, while the presence of asbestos bodies in tissue sections is a sensitive and specific marker of asbestos exposure, neither this finding nor any other charge is a marker indicative of asbestosis or the severity of asbestosis. With the enactment of the Asbestos Standard in the United States, asbestos exposures have been decreasing in this country. However, industries that produce asbestos products and wastes continue to expand in developing countries. Prevention of asbestos-related lung disease should be a global endeavor, and asbestos exposures should be regulated in both developed and developing countries. (+info)Biological effects of naturally occurring and man-made fibres: in vitro cytotoxicity and mutagenesis in mammalian cells. (4/188)
Cytotoxicity and mutagenicity of tremolite, erionite and the man-made ceramic (RCF-1) fibre were studied using the human-hamster hybrid A(L) cells. Results from these fibres were compared with those of UICC Rhodesian chrysotile fibres. The A(L) cell mutation assay, based on the S1 gene marker located on human chromosome 11, the only human chromosome contained in the hybrid cell, has been shown to be more sensitive than conventional assays in detecting deletion mutations. Tremolite, erionite and RCF-1 fibres were significantly less cytotoxic to A(L) cells than chrysotile. Mutagenesis studies at the HPRT locus revealed no significant mutant yield with any of these fibres. In contrast, both erionite and tremolite induced dose-dependent S1- mutations in fibre-exposed cells, with the former inducing a significantly higher mutant yield than the latter fibre type. On the other hand, RCF-1 fibres were largely non-mutagenic. At equitoxic doses (cell survival at approximately 0.7), erionite was found to be the most potent mutagen among the three fibres tested and at a level comparable to that of chrysotile fibres. These results indicate that RCF-1 fibres are non-genotoxic under the conditions used in the studies and suggest that the high mesothelioma incidence previously observed in hamster may either be a result of selective sensitivity of hamster pleura to fibre-induced chronic irritation or as a result of prolonged fibre treatment. Furthermore, the relatively high mutagenic potential for erionite is consistent with its documented carcinogenicity. (+info)Mineral fibre sampling and size selection. (5/188)
Potential health hazards due to fibre inhalation are only evaluated in a limited way by simple optical microscopy examination of the membrane filters on which the fibres have been collected. One must consider the amount of fibres deposited and persisting in the most vulnerable organ compartments. Exposure evaluated in this way must take account of the deposition efficiency and relative clearance efficiency of different regions of the respiratory tract, which depends mainly on the diameter and length distribution of the fibres. The fibre diameter roughly indicates the deposition site in the respiratory tract, while the length is mainly connected with toxicity. For these reasons, at international level, special samplers have been recently proposed, capable of distinguishing the fibre sizes, in order to separate the so-called 'thoracic fraction' (the total fibres which penetrate beyond the larynx) and the 'respirable fraction' (only the fibres reaching the non ciliated respiratory area), which represent the most interesting sizes as far as health effects are concerned. Our purpose in this context is to explore the feasibility of using the Inertial Spectrometer (INSPEC) as a sampler that separates the fibres according to their aerodynamic diameter. The optical and electron microscope observations of the samples demonstrate a satisfactory size separation of the fibres and alignment along the flow lines. Therefore, INSPEC is successful in restricting the microscopic analyses to the potentially noxious fibres and in assessing specific concentrations for each diameter interval. (+info)Combined effect of cigarette smoke and mineral fibers on the gene expression of cytokine mRNA. (6/188)
To investigate which parameters are stimulated by mineral fibers and whether cigarette smoke enhanced a fiber-induced response, we examined the level of cytokine mRNA from alveolar macrophages (AMs) and lungs of rats exposed to mineral fibers and cigarette smoke in vivo. Male Wistar rats were given a single intratracheal instillation of 2 mg of Union Internationale Contre le Cancer chrysotile or refractory ceramic fiber (RF1). The animals then inhaled a side stream of smoke 5 days per week for 4 weeks. The expression of manganese superoxide dismutase, inducible nitric oxide synthase (iNOS), basic fibroblast growth factor (bFGF), interleukin-1[alpha] (IL-1[alpha]), interleukin-6 (IL-6), and tumor necrosis factor-[alpha] (TNF[alpha]) mRNA from lipopolysaccharide-stimulated AMs and lungs of rats exposed to mineral fibers and/or cigarette smoke were assessed using semiquantitative reverse-transcriptase polymerase chain reaction. Exposure only to cigarette smoke increased in IL-1[alpha] mRNA levels in AMs. Chrysotile stimulated the expression of IL-1[alpha], TNF[alpha], and IL-6 in AMs, and the expression of bFGF in lungs. RF1 resulted in increased expression of IL-1[alpha] and TNF[alpha] in AMs. Cigarette smoke stimulated the gene expression of iNOS in AMs and IL-6 and bFGF in lungs treated with chrysotile; IL-1[alpha] in AMs and bFGF in lungs did the same in lungs with RF1. Among these cytokines, message levels of IL-1[alpha], iNOS, and bFGF were increased in rats stimulated with mineral fibers, and the stimulating effects of mineral fibers were enhanced by cigarette smoke. Therefore, IL-1[alpha], iNOS, and bFGF would be the possible parameters of the lung remodeling induced by mineral fibers. (+info)Biopersistence and durability of nine mineral fibre types in rat lungs over 12 months. (7/188)
The study objectives were to assess the ability of intratracheal injection methods to discriminate between nine fibre types in respect of pulmonary biopersistence, and to provide approximate estimates of relative biopersistence and durability for a study of general relationships with biological and toxicological responses. The test fibres included six samples of size-selected fibre types specially prepared for research purposes, two commercially available fibres, and amosite. A 1 mg dose of each fibre type was administered to rats by intratracheal injection. The relative biopersistence of fibres in different size categories was assessed from the changes in mean lung burden, as determined by electron microscopy, at 3 days and 1, 6 and 12 months after injection. The ability of the test materials to resist dissolution was measured in a parallel series of simple in vitro acellular experiments at two pHs and in a continuous flow dissolution test. The observed differences in the persistence of fibres of differing length recovered from rat lungs were consistent with the current hypothesis that short fibres are cleared by cellular processes and long fibres by dissolution and disintegration. Differences in persistence of long (> 20 microns) fibres were correlated with measured rates of dissolution in vitro. Differences in persistence among those fibre types also studied by others workers were consistent with their findings after inhalation and intratracheal injection. Overall, the differences in the biopersistences of the test fibres following intratracheal injection were sufficient to enable an examination of the relationship of biopersistence with other biological and toxicological responses. Biopersistence was influenced by both fibre dimensions and solubility. (+info)Influence of fibre length, dissolution and biopersistence on the production of mesothelioma in the rat peritoneal cavity. (8/188)
A range of respirable man-made mineral fibres were tested for evidence of carcinogenicity by injection into the peritoneal cavity of male SPF Wistar rats; and differences in carcinogenicity were related to the dimensions and biopersistence of the injected fibres. The fibres tested included an amosite asbestos, a silicon carbide whisker, a special purpose glass microfibre, and a range of other man-made vitreous fibres (MMVFs) and refractory ceramic fibres (RCFs) from the TIMA fibre repository. The injected dose of each was designed as the estimated mass required to contain 10(9) fibres > 5 microns in length, as determined by optical microscopy. The numbers of long fibres (> 15 microns) contained in these doses ranged across fibres from 0.1 x 10(9) to 0.8 x 10(9) fibres; the number of long fibres thinner than 0.95 micron ranged from 0.015 x 10(9) to 0.4 x 10(9). The treatment groups contained between 18 and 24 animals. Animals were killed when they showed signs of debilitation. At autopsy, the diagnosis of mesothelioma was usually obvious macroscopically. Otherwise, histological examination of peritoneal organs was used to search for early tumour development. Judged by median survival time, four of the fibre types, in the doses administered, presented higher mesothelioma activity than amosite asbestos. The other fibres tested were less carcinogenic than the amosite. Only a ceramic material derived by extreme heating to simulate the effect of furnace or oven conditions, produced no mesotheliomas. Attempts were made, using regression models, to relate these differences to fibre dimensions and to measures of durability from separate experiments. The results pointed principally to a link with the injected numbers of fibres > 20 microns in length and with biopersistence in the rat lung of fibres longer than 5 microns. Improved quantification of the relative importance of fibre dimensions and biopersistence indices requires experimentation with a range of doses. (+info)Mineral fibers are tiny, elongated particles that occur naturally in the environment. They are made up of minerals such as silica and are often found in rocks and soil. Some mineral fibers, like asbestos, have been widely used in various industries for their heat resistance, insulating properties, and strength. However, exposure to certain types of mineral fibers, particularly asbestos, has been linked to serious health conditions such as lung cancer, mesothelioma, and asbestosis.
Mineral fibers are defined by their physical characteristics, including their length, width, and aspect ratio (the ratio of the fiber's length to its width). According to the International Agency for Research on Cancer (IARC), mineral fibers with a length of at least 5 micrometers, a width of no more than 3 micrometers, and an aspect ratio of at least 3:1 are considered to be "respirable," meaning they can be inhaled and potentially become lodged in the lungs.
It's worth noting that not all mineral fibers are created equal when it comes to health risks. Asbestos, for example, is a known human carcinogen, while other mineral fibers such as fiberglass and rock wool are considered less hazardous, although they can still cause respiratory irritation and other health problems with prolonged exposure.
In the context of nutrition and health, minerals are inorganic elements that are essential for various bodily functions, such as nerve impulse transmission, muscle contraction, maintaining fluid and electrolyte balance, and bone structure. They are required in small amounts compared to macronutrients (carbohydrates, proteins, and fats) and are obtained from food and water.
Some of the major minerals include calcium, phosphorus, magnesium, sodium, potassium, and chloride, while trace minerals or microminerals are required in even smaller amounts and include iron, zinc, copper, manganese, iodine, selenium, and fluoride.
It's worth noting that the term "minerals" can also refer to geological substances found in the earth, but in medical terminology, it specifically refers to the essential inorganic elements required for human health.
I'm sorry for any confusion, but "Silicic Acid" is not a recognized medical term. Silicic acid, also known as orthosilicic acid, is a compound that contains silicon and oxygen in a ratio of 1:2 (Si(OH)4). It's commonly found in water, soil, and various plants.
In the context of health and medicine, silica or silicic acid supplements are sometimes used for their potential benefits to bone health, collagen production, and hair and nail growth. However, more research is needed to fully understand these effects and their optimal usage.
If you have any questions related to a specific medical condition or treatment, I would recommend consulting with a healthcare professional.
Asbestos is a group of naturally occurring mineral fibers that are resistant to heat, chemical reactions, and electrical currents. There are six types of asbestos, but the most common ones are chrysotile, amosite, and crocidolite. Asbestos has been widely used in various construction materials, such as roofing shingles, ceiling and floor tiles, paper products, and cement products.
Exposure to asbestos can cause serious health problems, including lung cancer, mesothelioma (a rare form of cancer that affects the lining of the lungs, heart, or abdomen), and asbestosis (a chronic lung disease characterized by scarring of the lung tissue). These health risks are related to the inhalation of asbestos fibers, which can become lodged in the lungs and cause inflammation and scarring over time.
As a result, the use of asbestos has been heavily regulated in many countries, and its use is banned in several others. Despite these regulations, asbestos remains a significant public health concern due to the large number of buildings and products that still contain it.
'Asbestos, serpentine' is a type of asbestos mineral that belongs to the serpentine group of minerals. The serpentine group of minerals is characterized by its sheet or layered structure, in which each silicate tetrahedron shares three oxygen atoms with adjacent tetrahedra, forming a continuous two-dimensional sheet.
The most common type of asbestos mineral in the serpentine group is chrysotile, also known as white asbestos or serpentine asbestos. Chrysotile fibers are curly and flexible, which makes them easier to weave into textiles and other materials. As a result, chrysotile has been widely used in a variety of industrial and commercial applications, such as insulation, roofing, flooring, and cement products.
However, exposure to chrysotile fibers has been linked to several serious health problems, including lung cancer, mesothelioma, and asbestosis. As a result, the use of chrysotile and other types of asbestos has been banned or restricted in many countries around the world.
Amphibole asbestos is a type of asbestos mineral that includes several subtypes such as tremolite, actinolite, and crocidolite. These minerals have double-chain structures and are typically composed of iron and magnesium ions. Amphibole asbestos fibers are straight or slightly curved, and they are more brittle than chrysotile (white asbestos) fibers.
Amphibole asbestos is known to be more hazardous to human health than chrysotile asbestos because it is more easily inhaled and can penetrate deeper into the lungs. Amphibole asbestos has been linked to an increased risk of lung cancer, mesothelioma, and other respiratory diseases. Its use has been banned or restricted in many countries due to these health concerns.
I'm sorry for any confusion, but "Glass" is not a medical term. Glass is a non-crystalline amorphous solid that is often transparent and has various uses in everyday life, including medical devices and equipment. If you have any questions related to medical terminology or concepts, please provide them, and I'll be happy to help.
Amosite is a type of asbestos also known as "brown asbestos." It is a fibrous mineral that was commonly used in insulation and other building materials due to its heat resistance and fireproof properties. Prolonged exposure to amosite fibers can cause serious health issues, including lung cancer, mesothelioma, and asbestosis. The use of amosite has been banned in many countries due to these health risks.
Construction materials are substances or components that are used in the building and construction of infrastructure, such as buildings, roads, bridges, and other structures. These materials can be naturally occurring, like wood, stone, and clay, or they can be manufactured, like steel, concrete, and glass. The choice of construction material depends on various factors, including the project's requirements, structural strength, durability, cost, and sustainability.
In a medical context, construction materials may refer to the substances used in the construction or fabrication of medical devices, equipment, or furniture. These materials must meet strict regulations and standards to ensure they are safe, biocompatible, and do not pose a risk to patients or healthcare workers. Examples of medical construction materials include surgical-grade stainless steel, medical-grade plastics, and radiation-shielding materials used in the construction of medical imaging equipment enclosures.
Calcium compounds are chemical substances that contain calcium ions (Ca2+) bonded to various anions. Calcium is an essential mineral for human health, and calcium compounds have numerous biological and industrial applications. Here are some examples of calcium compounds with their medical definitions:
1. Calcium carbonate (CaCO3): A common mineral found in rocks and sediments, calcium carbonate is also a major component of shells, pearls, and bones. It is used as a dietary supplement to prevent or treat calcium deficiency and as an antacid to neutralize stomach acid.
2. Calcium citrate (C6H8CaO7): A calcium salt of citric acid, calcium citrate is often used as a dietary supplement to prevent or treat calcium deficiency. It is more soluble in water and gastric juice than calcium carbonate, making it easier to absorb, especially for people with low stomach acid.
3. Calcium gluconate (C12H22CaO14): A calcium salt of gluconic acid, calcium gluconate is used as a medication to treat or prevent hypocalcemia (low blood calcium levels) and hyperkalemia (high blood potassium levels). It can be given intravenously, orally, or topically.
4. Calcium chloride (CaCl2): A white, deliquescent salt, calcium chloride is used as a de-icing agent, a food additive, and a desiccant. In medical settings, it can be used to treat hypocalcemia or hyperkalemia, or as an antidote for magnesium overdose.
5. Calcium lactate (C6H10CaO6): A calcium salt of lactic acid, calcium lactate is used as a dietary supplement to prevent or treat calcium deficiency. It is less commonly used than calcium carbonate or calcium citrate but may be better tolerated by some people.
6. Calcium phosphate (Ca3(PO4)2): A mineral found in rocks and bones, calcium phosphate is used as a dietary supplement to prevent or treat calcium deficiency. It can also be used as a food additive or a pharmaceutical excipient.
7. Calcium sulfate (CaSO4): A white, insoluble powder, calcium sulfate is used as a desiccant, a plaster, and a fertilizer. In medical settings, it can be used to treat hypocalcemia or as an antidote for magnesium overdose.
8. Calcium hydroxide (Ca(OH)2): A white, alkaline powder, calcium hydroxide is used as a disinfectant, a flocculant, and a building material. In medical settings, it can be used to treat hyperkalemia or as an antidote for aluminum overdose.
9. Calcium acetate (Ca(C2H3O2)2): A white, crystalline powder, calcium acetate is used as a food additive and a medication. It can be used to treat hyperphosphatemia (high blood phosphate levels) in patients with kidney disease.
10. Calcium carbonate (CaCO3): A white, chalky powder, calcium carbonate is used as a dietary supplement, a food additive, and a pharmaceutical excipient. It can also be used as a building material and a mineral supplement.
I'm sorry for any confusion, but "silicates" is not a term typically used in medical definitions. Silicates are a broad class of minerals that are composed of silicon and oxygen atoms in various arrangements. They are abundant in Earth's crust and are commonly found in sand, quartz, and many types of rocks.
While not directly related to human health, some silicate-based materials can have medical applications. For example, certain forms of magnesium silicate (talc) have been used as a component in some medications for their ability to absorb moisture and help reduce the risk of skin irritation. However, exposure to certain types of silica dust (like crystalline silica) has been linked to lung diseases such as silicosis, bronchitis, and lung cancer, especially in occupational settings like construction, sandblasting, and mining.
If you have any concerns about silicates or their potential impact on your health, I would recommend consulting a healthcare professional for personalized advice based on your specific situation.
Zeolites are not typically a subject of medical definition, as they are naturally occurring or synthetically produced minerals used in various industrial applications. They are microporous, aluminosilicate minerals with a crystal-like structure, composed of aluminum, silicon, and oxygen tetrahedra. These minerals have a negative charge and can exchange positively charged ions, making them useful for water purification, odor control, and as catalysts in chemical reactions.
However, there is some research into the potential use of zeolites in medical applications, such as drug delivery systems or as adsorbents to remove toxins from the body. In these contexts, the definition of zeolites would be similar to their industrial definition.
Crocidolite is a type of asbestos, which is a naturally occurring fibrous mineral that was widely used in various industrial and commercial applications due to its heat resistance, insulating properties, and strength. Crocidolite, also known as blue asbestos, is made up of fine, straight fibers that can be easily inhaled and become lodged in the lungs.
Prolonged exposure to crocidolite fibers has been linked to serious health problems, including lung cancer, mesothelioma (a rare form of cancer that affects the lining of the lungs and abdomen), and asbestosis (a chronic lung disease characterized by scarring and inflammation of the lung tissue). As a result, the use of crocidolite and other forms of asbestos has been largely banned in many countries.
It is important to note that there is no safe level of exposure to asbestos, and any contact with this mineral should be avoided. If you suspect that you have been exposed to asbestos, it is recommended that you seek medical advice from a healthcare professional.
Mesothelioma is a rare and aggressive form of cancer that develops in the mesothelial cells, which are the thin layers of tissue that cover many of the internal organs. The most common site for mesothelioma to occur is in the pleura, the membrane that surrounds the lungs. This type is called pleural mesothelioma. Other types include peritoneal mesothelioma (which occurs in the lining of the abdominal cavity) and pericardial mesothelioma (which occurs in the lining around the heart).
Mesothelioma is almost always caused by exposure to asbestos, a group of naturally occurring minerals that were widely used in construction, insulation, and other industries because of their heat resistance and insulating properties. When asbestos fibers are inhaled or ingested, they can become lodged in the mesothelium, leading to inflammation, scarring, and eventually cancerous changes in the cells.
The symptoms of mesothelioma can take many years to develop after exposure to asbestos, and they may include chest pain, coughing, shortness of breath, fatigue, and weight loss. Treatment options for mesothelioma depend on the stage and location of the cancer, but may include surgery, radiation therapy, chemotherapy, or a combination of these approaches. Unfortunately, the prognosis for mesothelioma is often poor, with a median survival time of around 12-18 months after diagnosis.
I believe there may be some confusion in your question as "manufactured materials" is not a term commonly used in medical definitions. Instead, it is more related to the field of materials science and engineering. However, I can provide you with an example of how manufactured materials might be relevant in a medical context:
Manufactured materials refer to substances that are produced or synthesized through human-engineered processes, as opposed to naturally occurring materials. In the medical field, manufactured materials can include a wide range of products such as biomaterials, implants, medical devices, and pharmaceuticals. These materials are designed and created to interact with biological systems for various therapeutic or diagnostic purposes.
For instance, biomaterials like polymers, metals, ceramics, and composites can be used in the development of medical devices such as hip implants, stents, or contact lenses. Similarly, pharmaceutical companies manufacture drugs and medications using synthetic or semi-synthetic compounds to create active ingredients for various treatments.
In summary, while "manufactured materials" is not a formal medical term, it can refer to any synthetic or engineered substances designed and produced for medical applications, such as biomaterials, implants, medical devices, and pharmaceuticals.
Occupational air pollutants refer to harmful substances present in the air in workplaces or occupational settings. These pollutants can include dusts, gases, fumes, vapors, or mists that are produced by industrial processes, chemical reactions, or other sources. Examples of occupational air pollutants include:
1. Respirable crystalline silica: A common mineral found in sand, stone, and concrete that can cause lung disease and cancer when inhaled in high concentrations.
2. Asbestos: A naturally occurring mineral fiber that was widely used in construction materials and industrial applications until the 1970s. Exposure to asbestos fibers can cause lung diseases such as asbestosis, lung cancer, and mesothelioma.
3. Welding fumes: Fumes generated during welding processes can contain harmful metals such as manganese, chromium, and nickel that can cause neurological damage and respiratory problems.
4. Isocyanates: Chemicals used in the production of foam insulation, spray-on coatings, and other industrial applications that can cause asthma and other respiratory symptoms.
5. Coal dust: Fine particles generated during coal mining, transportation, and handling that can cause lung disease and other health problems.
6. Diesel exhaust: Emissions from diesel engines that contain harmful particulates and gases that can cause respiratory and cardiovascular problems.
Occupational air pollutants are regulated by various government agencies, including the Occupational Safety and Health Administration (OSHA) in the United States, to protect workers from exposure and minimize health risks.
Aluminum silicates are a type of mineral compound that consist of aluminum, silicon, and oxygen in their chemical structure. They are often found in nature and can be categorized into several groups, including kaolinite, illite, montmorillonite, and bentonite. These minerals have various industrial and commercial uses, including as fillers and extenders in products like paper, paint, and rubber. In the medical field, certain types of aluminum silicates (like bentonite) have been used in some medicinal and therapeutic applications, such as detoxification and gastrointestinal disorders. However, it's important to note that the use of these minerals in medical treatments is not widely accepted or supported by extensive scientific evidence.
In the field of medicine, ceramics are commonly referred to as inorganic, non-metallic materials that are made up of compounds such as oxides, carbides, and nitrides. These materials are often used in medical applications due to their biocompatibility, resistance to corrosion, and ability to withstand high temperatures. Some examples of medical ceramics include:
1. Bioceramics: These are ceramic materials that are used in medical devices and implants, such as hip replacements, dental implants, and bone grafts. They are designed to be biocompatible, which means they can be safely implanted into the body without causing an adverse reaction.
2. Ceramic coatings: These are thin layers of ceramic material that are applied to medical devices and implants to improve their performance and durability. For example, ceramic coatings may be used on orthopedic implants to reduce wear and tear, or on cardiovascular implants to prevent blood clots from forming.
3. Ceramic membranes: These are porous ceramic materials that are used in medical filtration systems, such as hemodialysis machines. They are designed to selectively filter out impurities while allowing essential molecules to pass through.
4. Ceramic scaffolds: These are three-dimensional structures made of ceramic material that are used in tissue engineering and regenerative medicine. They provide a framework for cells to grow and multiply, helping to repair or replace damaged tissues.
Overall, medical ceramics play an important role in modern healthcare, providing safe and effective solutions for a wide range of medical applications.
Asbestosis is a chronic lung disease that is caused by the inhalation of asbestos fibers. It is characterized by scarring (fibrosis) of the lung tissue, which can lead to symptoms such as shortness of breath, coughing, and chest pain. The severity of the disease can range from mild to severe, and it is often progressive, meaning that it tends to worsen over time. Asbestosis is not a malignant condition, but it can increase the risk of developing lung cancer or mesothelioma, which are forms of cancer that are associated with asbestos exposure. The disease is typically diagnosed through a combination of medical history, physical examination, and imaging tests such as chest X-rays or CT scans. There is no cure for asbestosis, but treatment can help to manage the symptoms and slow the progression of the disease.
In medical terms, "dust" is not defined as a specific medical condition or disease. However, generally speaking, dust refers to small particles of solid matter that can be found in the air and can come from various sources, such as soil, pollen, hair, textiles, paper, or plastic.
Exposure to certain types of dust, such as those containing allergens, chemicals, or harmful pathogens, can cause a range of health problems, including respiratory issues like asthma, allergies, and lung diseases. Prolonged exposure to certain types of dust, such as silica or asbestos, can even lead to serious conditions like silicosis or mesothelioma.
Therefore, it is important for individuals who work in environments with high levels of dust to take appropriate precautions, such as wearing masks and respirators, to minimize their exposure and reduce the risk of health problems.
Nerve fibers are specialized structures that constitute the long, slender processes (axons) of neurons (nerve cells). They are responsible for conducting electrical impulses, known as action potentials, away from the cell body and transmitting them to other neurons or effector organs such as muscles and glands. Nerve fibers are often surrounded by supportive cells called glial cells and are grouped together to form nerve bundles or nerves. These fibers can be myelinated (covered with a fatty insulating sheath called myelin) or unmyelinated, which influences the speed of impulse transmission.
Medical Definition of Mineral Oil:
Mineral oil is a commonly used laxative, which is a substance that promotes bowel movements. It is a non-digestible, odorless, and tasteless oil that is derived from petroleum. When taken orally, mineral oil passes through the digestive system without being absorbed, helping to soften stools and relieve constipation by increasing the weight and size of the stool, stimulating the reflexes in the intestines that trigger bowel movements.
Mineral oil is also used topically as a moisturizer and emollient for dry skin conditions such as eczema and dermatitis. It forms a barrier on the skin, preventing moisture loss and protecting the skin from irritants. However, mineral oil should not be used on broken or inflamed skin, as it can trap bacteria and delay healing.
It is important to note that long-term use of mineral oil laxatives can lead to dependence and may interfere with the absorption of fat-soluble vitamins such as A, D, E, and K. Therefore, it should be used only under the guidance of a healthcare professional.
Mineral waters are naturally occurring waters that contain various minerals, including salts and gases. These waters can be still or sparkling, and they can vary in mineral content depending on the source. Some common minerals found in mineral waters include calcium, magnesium, sodium, bicarbonate, and sulfates.
Mineral waters are often used for therapeutic purposes, as drinking or bathing in them is believed to have various health benefits. For example, some studies suggest that drinking mineral water can help improve digestion, boost the immune system, and reduce inflammation. Bathing in mineral waters, on the other hand, has been shown to help relieve muscle pain, improve circulation, and promote relaxation.
It's important to note that while mineral waters can have potential health benefits, they should not be used as a substitute for medical treatment or advice from a healthcare professional. Additionally, some mineral waters may contain high levels of minerals like sodium, which may not be suitable for everyone, particularly those with certain medical conditions such as hypertension.
Carcinogens are agents that can cause cancer. According to the National Institute of Environmental Health Sciences (NIEHS), environmental carcinogens refer to "cancer-causing agents that people encounter in their daily lives, including substances or exposures in air, water, food, and in the workplace." These carcinogens can increase the risk of cancer by damaging DNA or interfering with cellular processes that control growth.
Examples of environmental carcinogens include:
* Air pollution: Certain pollutants in the air, such as diesel exhaust particles and secondhand smoke, have been linked to an increased risk of lung cancer.
* Radon: A naturally occurring radioactive gas that can accumulate in homes and other buildings, radon is the second leading cause of lung cancer in the United States.
* UV radiation: Exposure to ultraviolet (UV) radiation from the sun or tanning beds can lead to skin cancer.
* Certain chemicals: Some chemicals found in the workplace or in consumer products, such as asbestos, benzene, and vinyl chloride, have been linked to an increased risk of cancer.
* Infectious agents: Certain viruses, bacteria, and parasites can increase the risk of cancer. For example, human papillomavirus (HPV) is a major cause of cervical cancer, and hepatitis B and C viruses are leading causes of liver cancer.
It's important to note that exposure to environmental carcinogens does not guarantee that a person will develop cancer. The risk depends on many factors, including the level and duration of exposure, as well as individual susceptibility. However, reducing exposure to these agents can help reduce the overall risk of cancer.
Foreign bodies in the eye refer to any object or particle that is not normally present in the eye and becomes lodged in it. These foreign bodies can range from small particles like sand or dust to larger objects such as metal shavings or glass. They can cause irritation, pain, redness, watering, and even vision loss if they are not removed promptly and properly.
The symptoms of an eye foreign body may include:
* A feeling that something is in the eye
* Pain or discomfort in the eye
* Redness or inflammation of the eye
* Watering or tearing of the eye
* Sensitivity to light
* Blurred vision or difficulty seeing
If you suspect that you have a foreign body in your eye, it is important to seek medical attention immediately. An eye care professional can examine your eye and determine the best course of treatment to remove the foreign body and prevent any further damage to your eye.
Occupational diseases are health conditions or illnesses that occur as a result of exposure to hazards in the workplace. These hazards can include physical, chemical, and biological agents, as well as ergonomic factors and work-related psychosocial stressors. Examples of occupational diseases include respiratory illnesses caused by inhaling dust or fumes, hearing loss due to excessive noise exposure, and musculoskeletal disorders caused by repetitive movements or poor ergonomics. The development of an occupational disease is typically related to the nature of the work being performed and the conditions in which it is carried out. It's important to note that these diseases can be prevented or minimized through proper risk assessment, implementation of control measures, and adherence to safety regulations.
Carbon inorganic compounds are chemical substances that contain carbon combined with one or more elements other than hydrogen. These compounds include oxides of carbon such as carbon monoxide (CO) and carbon dioxide (CO2), metal carbides like calcium carbide (CaC2) and silicon carbide (SiC), and carbonates like calcium carbonate (CaCO3) and sodium carbonate (Na2CO3).
Unlike organic compounds, which are based on carbon-hydrogen bonds, inorganic carbon compounds do not contain hydrocarbon structures. Instead, they feature carbon bonded to elements such as nitrogen, oxygen, sulfur, or halogens. Inorganic carbon compounds have diverse physical and chemical properties and play important roles in various industrial applications, as well as in biological systems.
The pleura is the medical term for the double-layered serous membrane that surrounds the lungs and lines the inside of the chest cavity. The two layers of the pleura are called the parietal pleura, which lines the chest cavity, and the visceral pleura, which covers the surface of the lungs.
The space between these two layers is called the pleural cavity, which contains a small amount of lubricating fluid that allows the lungs to move smoothly within the chest during breathing. The main function of the pleura is to protect the lungs and facilitate their movement during respiration.
In the context of medical and health sciences, particle size generally refers to the diameter or dimension of particles, which can be in the form of solid particles, droplets, or aerosols. These particles may include airborne pollutants, pharmaceutical drugs, or medical devices such as nanoparticles used in drug delivery systems.
Particle size is an important factor to consider in various medical applications because it can affect the behavior and interactions of particles with biological systems. For example, smaller particle sizes can lead to greater absorption and distribution throughout the body, while larger particle sizes may be filtered out by the body's natural defense mechanisms. Therefore, understanding particle size and its implications is crucial for optimizing the safety and efficacy of medical treatments and interventions.
Dietary fiber, also known as roughage, is the indigestible portion of plant foods that makes up the structural framework of the plants we eat. It is composed of cellulose, hemicellulose, pectin, gums, lignins, and waxes. Dietary fiber can be classified into two categories: soluble and insoluble.
Soluble fiber dissolves in water to form a gel-like material in the gut, which can help slow down digestion, increase feelings of fullness, and lower cholesterol levels. Soluble fiber is found in foods such as oats, barley, fruits, vegetables, legumes, and nuts.
Insoluble fiber does not dissolve in water and passes through the gut intact, helping to add bulk to stools and promote regular bowel movements. Insoluble fiber is found in foods such as whole grains, bran, seeds, and the skins of fruits and vegetables.
Dietary fiber has numerous health benefits, including promoting healthy digestion, preventing constipation, reducing the risk of heart disease, controlling blood sugar levels, and aiding in weight management. The recommended daily intake of dietary fiber is 25-38 grams per day for adults, depending on age and gender.
Skeletal muscle fibers, also known as striated muscle fibers, are the type of muscle cells that make up skeletal muscles, which are responsible for voluntary movements of the body. These muscle fibers are long, cylindrical, and multinucleated, meaning they contain multiple nuclei. They are surrounded by a connective tissue layer called the endomysium, and many fibers are bundled together into fascicles, which are then surrounded by another layer of connective tissue called the perimysium.
Skeletal muscle fibers are composed of myofibrils, which are long, thread-like structures that run the length of the fiber. Myofibrils contain repeating units called sarcomeres, which are responsible for the striated appearance of skeletal muscle fibers. Sarcomeres are composed of thick and thin filaments, which slide past each other during muscle contraction to shorten the sarcomere and generate force.
Skeletal muscle fibers can be further classified into two main types based on their contractile properties: slow-twitch (type I) and fast-twitch (type II). Slow-twitch fibers have a high endurance capacity and are used for sustained, low-intensity activities such as maintaining posture. Fast-twitch fibers, on the other hand, have a higher contractile speed and force generation capacity but fatigue more quickly and are used for powerful, explosive movements.
Occupational exposure refers to the contact of an individual with potentially harmful chemical, physical, or biological agents as a result of their job or occupation. This can include exposure to hazardous substances such as chemicals, heavy metals, or dusts; physical agents such as noise, radiation, or ergonomic stressors; and biological agents such as viruses, bacteria, or fungi.
Occupational exposure can occur through various routes, including inhalation, skin contact, ingestion, or injection. Prolonged or repeated exposure to these hazards can increase the risk of developing acute or chronic health conditions, such as respiratory diseases, skin disorders, neurological damage, or cancer.
Employers have a legal and ethical responsibility to minimize occupational exposures through the implementation of appropriate control measures, including engineering controls, administrative controls, personal protective equipment, and training programs. Regular monitoring and surveillance of workers' health can also help identify and prevent potential health hazards in the workplace.
I'm sorry for any confusion, but "mining" is not a term that has a widely accepted medical definition. It is most commonly associated with the extraction of minerals from the earth in the field of geology and mining engineering. If you have any questions related to health or medicine, I would be happy to try to help answer those for you!
Pleural neoplasms refer to abnormal growths or tumors that develop in the pleura, which is the thin, double layered membrane that surrounds the lungs and lines the inside of the chest wall. These neoplasms can be benign (non-cancerous) or malignant (cancerous).
Malignant pleural neoplasms are often associated with lung cancer, mesothelioma, or metastasis from other types of cancer. They can cause symptoms such as chest pain, cough, shortness of breath, and weight loss. Diagnosis typically involves imaging tests like X-rays or CT scans, followed by biopsy to confirm the type of tumor. Treatment options may include surgery, radiation therapy, chemotherapy, or a combination of these approaches.
A lung is a pair of spongy, elastic organs in the chest that work together to enable breathing. They are responsible for taking in oxygen and expelling carbon dioxide through the process of respiration. The left lung has two lobes, while the right lung has three lobes. The lungs are protected by the ribcage and are covered by a double-layered membrane called the pleura. The trachea divides into two bronchi, which further divide into smaller bronchioles, leading to millions of tiny air sacs called alveoli, where the exchange of gases occurs.
Scanning electron microscopy (SEM) is a type of electron microscopy that uses a focused beam of electrons to scan the surface of a sample and produce a high-resolution image. In SEM, a beam of electrons is scanned across the surface of a specimen, and secondary electrons are emitted from the sample due to interactions between the electrons and the atoms in the sample. These secondary electrons are then detected by a detector and used to create an image of the sample's surface topography. SEM can provide detailed images of the surface of a wide range of materials, including metals, polymers, ceramics, and biological samples. It is commonly used in materials science, biology, and electronics for the examination and analysis of surfaces at the micro- and nanoscale.
Alveolar macrophages are a type of macrophage (a large phagocytic cell) that are found in the alveoli of the lungs. They play a crucial role in the immune defense system of the lungs by engulfing and destroying any foreign particles, such as dust, microorganisms, and pathogens, that enter the lungs through the process of inhalation. Alveolar macrophages also produce cytokines, which are signaling molecules that help to coordinate the immune response. They are important for maintaining the health and function of the lungs by removing debris and preventing infection.
Carcinogens are agents (substances or mixtures of substances) that can cause cancer. They may be naturally occurring or man-made. Carcinogens can increase the risk of cancer by altering cellular DNA, disrupting cellular function, or promoting cell growth. Examples of carcinogens include certain chemicals found in tobacco smoke, asbestos, UV radiation from the sun, and some viruses.
It's important to note that not all exposures to carcinogens will result in cancer, and the risk typically depends on factors such as the level and duration of exposure, individual genetic susceptibility, and lifestyle choices. The International Agency for Research on Cancer (IARC) classifies carcinogens into different groups based on the strength of evidence linking them to cancer:
Group 1: Carcinogenic to humans
Group 2A: Probably carcinogenic to humans
Group 2B: Possibly carcinogenic to humans
Group 3: Not classifiable as to its carcinogenicity to humans
Group 4: Probably not carcinogenic to humans
This information is based on medical research and may be subject to change as new studies become available. Always consult a healthcare professional for medical advice.
Lung neoplasms refer to abnormal growths or tumors in the lung tissue. These tumors can be benign (non-cancerous) or malignant (cancerous). Malignant lung neoplasms are further classified into two main types: small cell lung carcinoma and non-small cell lung carcinoma. Lung neoplasms can cause symptoms such as cough, chest pain, shortness of breath, and weight loss. They are often caused by smoking or exposure to secondhand smoke, but can also occur due to genetic factors, radiation exposure, and other environmental carcinogens. Early detection and treatment of lung neoplasms is crucial for improving outcomes and survival rates.
Fast-twitch muscle fibers, also known as type II fibers, are a type of skeletal muscle fiber that are characterized by their rapid contraction and relaxation rates. These fibers have a larger diameter and contain a higher concentration of glycogen, which serves as a quick source of energy for muscle contractions. Fast-twitch fibers are further divided into two subcategories: type IIa and type IIb (or type IIx). Type IIa fibers have a moderate amount of mitochondria and can utilize both aerobic and anaerobic metabolic pathways, making them fatigue-resistant. Type IIb fibers, on the other hand, have fewer mitochondria and primarily use anaerobic metabolism, leading to faster fatigue. Fast-twitch fibers are typically used in activities that require quick, powerful movements such as sprinting or weightlifting.
Slow-twitch muscle fibers, also known as type I muscle fibers, are specialized skeletal muscle cells that contract relatively slowly and generate less force than fast-twitch fibers. However, they can maintain contraction for longer periods of time and have a higher resistance to fatigue. These fibers primarily use oxygen and aerobic metabolism to produce energy, making them highly efficient during prolonged, lower-intensity activities such as long-distance running or cycling. Slow-twitch muscle fibers also have an abundant blood supply, which allows for efficient delivery of oxygen and removal of waste products.
Cotton fiber is not a medical term, but I can provide you with some information about cotton fibers in a general context.
Cotton fibers are soft, fluffy staple fibers that grow in a protective case called a boll around the seeds of cotton plants. Cotton fibers are primarily composed of cellulose, which is an organic compound and the main structural component of plant cells. These fibers are typically spun into yarn or thread and used to make a wide variety of textiles, including clothing and other soft goods.
Cotton fibers have some unique properties that make them suitable for medical applications as well:
1. Hypoallergenic: Cotton is generally considered hypoallergenic, meaning it is less likely to cause an allergic reaction compared to other materials. This makes cotton a popular choice for medical bandages, swabs, and other products that come into contact with the skin.
2. Absorbent: Cotton fibers are highly absorbent, which can be useful in medical settings for managing wounds, incontinence, or excessive sweating.
3. Breathable: Cotton is a breathable material, allowing air to pass through and helping to maintain a comfortable body temperature. This property makes cotton an excellent choice for medical garments, bedding, and other products that require good ventilation.
4. Comfortable: Cotton fibers are soft, lightweight, and gentle on the skin, making them a preferred material for medical textiles and clothing designed for people with sensitive skin or medical conditions like eczema or dermatitis.
5. Durable: Although cotton fibers can be delicate when wet, they are relatively strong and durable in dry conditions. This makes cotton an appropriate choice for reusable medical products like gowns, scrubs, and linens.
'Smoke' is not typically defined in a medical context, but it can be described as a mixture of small particles and gases that are released when something burns. Smoke can be composed of various components including carbon monoxide, particulate matter, volatile organic compounds (VOCs), benzene, toluene, styrene, and polycyclic aromatic hydrocarbons (PAHs). Exposure to smoke can cause a range of health problems, including respiratory symptoms, cardiovascular disease, and cancer.
In the medical field, exposure to smoke is often referred to as "secondhand smoke" or "passive smoking" when someone breathes in smoke from another person's cigarette, cigar, or pipe. This type of exposure can be just as harmful as smoking itself and has been linked to a range of health problems, including respiratory infections, asthma, lung cancer, and heart disease.
"Wistar rats" are a strain of albino rats that are widely used in laboratory research. They were developed at the Wistar Institute in Philadelphia, USA, and were first introduced in 1906. Wistar rats are outbred, which means that they are genetically diverse and do not have a fixed set of genetic characteristics like inbred strains.
Wistar rats are commonly used as animal models in biomedical research because of their size, ease of handling, and relatively low cost. They are used in a wide range of research areas, including toxicology, pharmacology, nutrition, cancer, cardiovascular disease, and behavioral studies. Wistar rats are also used in safety testing of drugs, medical devices, and other products.
Wistar rats are typically larger than many other rat strains, with males weighing between 500-700 grams and females weighing between 250-350 grams. They have a lifespan of approximately 2-3 years. Wistar rats are also known for their docile and friendly nature, making them easy to handle and work with in the laboratory setting.
In the field of medicine, "time factors" refer to the duration of symptoms or time elapsed since the onset of a medical condition, which can have significant implications for diagnosis and treatment. Understanding time factors is crucial in determining the progression of a disease, evaluating the effectiveness of treatments, and making critical decisions regarding patient care.
For example, in stroke management, "time is brain," meaning that rapid intervention within a specific time frame (usually within 4.5 hours) is essential to administering tissue plasminogen activator (tPA), a clot-busting drug that can minimize brain damage and improve patient outcomes. Similarly, in trauma care, the "golden hour" concept emphasizes the importance of providing definitive care within the first 60 minutes after injury to increase survival rates and reduce morbidity.
Time factors also play a role in monitoring the progression of chronic conditions like diabetes or heart disease, where regular follow-ups and assessments help determine appropriate treatment adjustments and prevent complications. In infectious diseases, time factors are crucial for initiating antibiotic therapy and identifying potential outbreaks to control their spread.
Overall, "time factors" encompass the significance of recognizing and acting promptly in various medical scenarios to optimize patient outcomes and provide effective care.
In the context of medicine, risk is the probability or likelihood of an adverse health effect or the occurrence of a negative event related to treatment or exposure to certain hazards. It is usually expressed as a ratio or percentage and can be influenced by various factors such as age, gender, lifestyle, genetics, and environmental conditions. Risk assessment involves identifying, quantifying, and prioritizing risks to make informed decisions about prevention, mitigation, or treatment strategies.
Osteoporosis is a systemic skeletal disease characterized by low bone mass, deterioration of bone tissue, and disruption of bone architecture, leading to increased risk of fractures, particularly in the spine, wrist, and hip. It mainly affects older people, especially postmenopausal women, due to hormonal changes that reduce bone density. Osteoporosis can also be caused by certain medications, medical conditions, or lifestyle factors such as smoking, alcohol abuse, and a lack of calcium and vitamin D in the diet. The diagnosis is often made using bone mineral density testing, and treatment may include medication to slow bone loss, promote bone formation, and prevent fractures.
"Bone" is the hard, dense connective tissue that makes up the skeleton of vertebrate animals. It provides support and protection for the body's internal organs, and serves as a attachment site for muscles, tendons, and ligaments. Bone is composed of cells called osteoblasts and osteoclasts, which are responsible for bone formation and resorption, respectively, and an extracellular matrix made up of collagen fibers and mineral crystals.
Bones can be classified into two main types: compact bone and spongy bone. Compact bone is dense and hard, and makes up the outer layer of all bones and the shafts of long bones. Spongy bone is less dense and contains large spaces, and makes up the ends of long bones and the interior of flat and irregular bones.
The human body has 206 bones in total. They can be further classified into five categories based on their shape: long bones, short bones, flat bones, irregular bones, and sesamoid bones.
Stress fibers are specialized cytoskeletal structures composed primarily of actin filaments, along with myosin II and other associated proteins. They are called "stress" fibers because they are thought to provide cells with the ability to resist and respond to mechanical stresses. These structures play a crucial role in maintaining cell shape, facilitating cell migration, and mediating cell-cell and cell-matrix adhesions. Stress fibers form bundles that span the length of the cell and connect to focal adhesion complexes at their ends, allowing for the transmission of forces between the extracellular matrix and the cytoskeleton. They are dynamic structures that can undergo rapid assembly and disassembly in response to various stimuli, including changes in mechanical stress, growth factor signaling, and cellular differentiation.
Purkinje fibers are specialized cardiac muscle fibers that are located in the subendocardial region of the inner ventricular walls of the heart. They play a crucial role in the electrical conduction system of the heart, transmitting electrical impulses from the bundle branches to the ventricular myocardium, which enables the coordinated contraction of the ventricles during each heartbeat.
These fibers have a unique structure that allows for rapid and efficient conduction of electrical signals. They are larger in diameter than regular cardiac muscle fibers, have fewer branching points, and possess more numerous mitochondria and a richer blood supply. These features enable Purkinje fibers to conduct electrical impulses at faster speeds, ensuring that the ventricles contract simultaneously and forcefully, promoting efficient pumping of blood throughout the body.
Metabolic bone diseases are a group of conditions that affect the bones and are caused by disorders in the body's metabolism. These disorders can result in changes to the bone structure, density, and strength, leading to an increased risk of fractures and other complications. Some common examples of metabolic bone diseases include:
1. Osteoporosis: a condition characterized by weak and brittle bones that are more likely to break, often as a result of age-related bone loss or hormonal changes.
2. Paget's disease of bone: a chronic disorder that causes abnormal bone growth and deformities, leading to fragile and enlarged bones.
3. Osteomalacia: a condition caused by a lack of vitamin D or problems with the body's ability to absorb it, resulting in weak and soft bones.
4. Hyperparathyroidism: a hormonal disorder that causes too much parathyroid hormone to be produced, leading to bone loss and other complications.
5. Hypoparathyroidism: a hormonal disorder that results in low levels of parathyroid hormone, causing weak and brittle bones.
6. Renal osteodystrophy: a group of bone disorders that occur as a result of chronic kidney disease, including osteomalacia, osteoporosis, and high turnover bone disease.
Treatment for metabolic bone diseases may include medications to improve bone density and strength, dietary changes, exercise, and lifestyle modifications. In some cases, surgery may be necessary to correct bone deformities or fractures.
Myelinated nerve fibers are neuronal processes that are surrounded by a myelin sheath, a fatty insulating substance that is produced by Schwann cells in the peripheral nervous system and oligodendrocytes in the central nervous system. This myelin sheath helps to increase the speed of electrical impulse transmission, also known as action potentials, along the nerve fiber. The myelin sheath has gaps called nodes of Ranvier where the electrical impulses can jump from one node to the next, which also contributes to the rapid conduction of signals. Myelinated nerve fibers are typically found in the peripheral nerves and the optic nerve, but not in the central nervous system (CNS) tracts that are located within the brain and spinal cord.
Physiologic calcification is the normal deposit of calcium salts in body tissues and organs. It is a natural process that occurs as part of the growth and development of the human body, as well as during the repair and remodeling of tissues.
Calcium is an essential mineral that plays a critical role in many bodily functions, including bone formation, muscle contraction, nerve impulse transmission, and blood clotting. In order to maintain proper levels of calcium in the body, excess calcium that is not needed for these functions may be deposited in various tissues as a normal part of the aging process.
Physiologic calcification typically occurs in areas such as the walls of blood vessels, the lungs, and the heart valves. While these calcifications are generally harmless, they can sometimes lead to complications, particularly if they occur in large amounts or in sensitive areas. For example, calcification of the coronary arteries can increase the risk of heart disease, while calcification of the lung tissue can cause respiratory symptoms.
It is important to note that pathologic calcification, on the other hand, refers to the abnormal deposit of calcium salts in tissues and organs, which can be caused by various medical conditions such as chronic kidney disease, hyperparathyroidism, and certain infections. Pathologic calcification is not a normal process and can lead to serious health complications if left untreated.
Mossy fibers in the hippocampus are a type of axon that originates from granule cells located in the dentate gyrus, which is the first part of the hippocampus. These fibers have a distinctive appearance and earn their name from the numerous small branches or "spines" that cover their surface, giving them a bushy or "mossy" appearance.
Mossy fibers form excitatory synapses with pyramidal cells in the CA3 region of the hippocampus, which is involved in memory and spatial navigation. These synapses are unique because they have a high degree of plasticity, meaning that they can change their strength in response to experience or learning. This plasticity is thought to be important for the formation and storage of memories.
Mossy fibers also release neurotransmitters such as glutamate and contribute to the regulation of hippocampal excitability. Dysfunction in mossy fiber function has been implicated in several neurological disorders, including epilepsy and Alzheimer's disease.
A muscle is a soft tissue in our body that contracts to produce force and motion. It is composed mainly of specialized cells called muscle fibers, which are bound together by connective tissue. There are three types of muscles: skeletal (voluntary), smooth (involuntary), and cardiac. Skeletal muscles attach to bones and help in movement, while smooth muscles are found within the walls of organs and blood vessels, helping with functions like digestion and circulation. Cardiac muscle is the specific type that makes up the heart, allowing it to pump blood throughout the body.
Trace elements are essential minerals that the body needs in very small or tiny amounts, usually less than 100 milligrams per day, for various biological processes. These include elements like iron, zinc, copper, manganese, fluoride, selenium, and iodine. They are vital for maintaining good health and proper functioning of the human body, but they are required in such minute quantities that even a slight excess or deficiency can lead to significant health issues.
Fiber cement siding
Boron fiber
Dietary fiber
Fiber
Boron
Kenya-Spain relations
Paper composite panels
Greige goods
1880s
Types of chocolate
Germanium dioxide
Mining in Iran
Dasyochloa
Mineral wool
Boulangerite
Outline of agriculture
Flax
Metsovo lung
Human food
Filter paper
Lalab
Zellerite
Filler (materials)
Vegetable
Parsnip
La Campana (archaeological site)
Asteroidal water
Anheteromeyenia argyrosperma
Firestop
Balangeroite
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Asbestos18
- Comments received on the draft document were considered by NIOSH in preparing the draft Current Intelligence Bulletin (CIB) Asbestos Fibers and Other Elongated Mineral Particles: State of the Science and Roadmap for Research. (cdc.gov)
- In reviewing the literature on asbestos fiber counting, there appears to be considerable variability in counts from analyst to analyst within a given laboratory as well as between laboratories. (nationalacademies.org)
- The white color, high-fiber content (low shot), and temperature operation range of Fibrox products make them an excellent alternative to ceramic refractory, asbestos, glass, aramid and other synthetic fibers. (fibrox.com)
- Mineral fiber, the main raw material ,contains recuperated slag, the organic fiber is recuperated newspaper, the recuperated materials do not contain any asbestos, formaldehyde and other venous and noxious substance. (indiafalseceiling.com)
- Early fiber cement panels used asbestos fibers to add strength. (wikipedia.org)
- Ludwig Hatschek patented asbestos-reinforced fiber cement in Austria in 1901 and named it "Eternit", based on the Latin term "aeternitas", meaning everlasting. (wikipedia.org)
- Cellulose-reinforced fiber cement products were introduced 1980s as a safe replacement for the very widely used asbestos cement products manufactured before that time. (wikipedia.org)
- 1. The main material of mineral fiber ceiling board is high-quality mineral wool , So the ceiling board is 100% asbestos-free. (china.cn)
- Both sites contained amphibole asbestos fibers . (mesothelioma.com)
- Inhalation exposure to some types of fibers (e.g., asbestos) is well known to be associated with respiratory diseases and conditions such as pleural plaques, fibrosis, asbestosis, lung cancer, and mesothelioma. (cdc.gov)
- In recent years, attention has expanded to other types of elongate mineral particles (EMPs) that may share similar geometry with asbestos fibers but which may differ in mineralogy. (cdc.gov)
- Asbestos is a mineral made up of fibers and is found in soil and rock. (cdc.gov)
- You can be exposed to asbestos during renovation or demolition projects by breathing in the fibers released into the air. (cdc.gov)
- The continuing occurrence of malignant mesothelioma deaths underscores the need for maintaining measures to prevent exposure to asbestos fibers and other causative EMPs and for ongoing surveillance to monitor temporal trends. (cdc.gov)
- What Is Asbestos-related lung diseases are diseases caused by exposure to asbestos (as-BES-tos) fibers. (cdc.gov)
- Asbestos is a mineral that, in the past, was widely used in many industries. (cdc.gov)
- Asbestos is made up of tiny fibers that can escape into the air. (cdc.gov)
- Plaques are biomarkers of fiber (usually asbestos) exposure, but here may reflect RCF exposure. (who.int)
Glass fibers4
- Glass fibers are preferred in the electrical industry as insulators for electrical conductors because of their mechanical strength and temperature stability. (marketsandmarkets.com)
- New technologies need to be developed to produce low-cost glass fibers and long fiber thermoplastics to commercialize the end products. (marketsandmarkets.com)
- Industries with the highest published employment and wages for Extruding and Forming Machine Setters, Operators, and Tenders, Synthetic and Glass Fibers are provided. (bls.gov)
- For a list of all industries with employment in Extruding and Forming Machine Setters, Operators, and Tenders, Synthetic and Glass Fibers, see the Create Customized Tables function. (bls.gov)
Vitamins and minerals10
- When it comes to vitamins and minerals, you're probably looking for the bottom line: how much do you need, and what foods have them? (webmd.com)
- It covers all the vitamins and minerals you should get, preferably from food. (webmd.com)
- They are typically high in fiber, vitamins and minerals. (bidmc.org)
- Getting enough vitamins and minerals is essential to keeping your body healthy. (familydoctor.org)
- Each serving contains a good source of 7 vitamins and minerals to help fuel you for what's ahead. (safeway.com)
- Apples are packed with fibre, vitamins and minerals and is a great fruit choice for diabetics since it contains a low glycemic index of 39. (indiatimes.com)
- High in fiber, every serving is a good source of 8 vitamins and minerals, low in fat, with no artificial colors or flavors so the goodness shines through. (ralphs.com)
- However, eating too much insoluble fiber can make you feel bloated and also interfere with absorption of certain vitamins and minerals. (msdmanuals.com)
- A statement of the amount per serving of the vitamins and minerals as described in this paragraph, calculated as a percent of the RDI and expressed as percent of Daily Value. (who.int)
- ii) The declaration of vitamins and minerals as a percent of the RDI shall include vitamin A, vitamin C, calcium, and iron, in that order, and shall include any of the other vitamins and minerals listed in paragraph (c)(8)(iv) of this section when they are added as a nutrient supplement, or when a claim is made about them. (who.int)
Elongate Mineral Particles1
- Dosimetry of inhaled elongate mineral particles in the respiratory tract: the impact of shape factor. (cdc.gov)
Particles2
- For short fiber clearance, the model is based on previous modeling of the retention and clearance of particles, and most model parameters are taken from that particulate model. (cdc.gov)
- The model describes overload as leading to alveolar sequestration of short fibers or particles, and the estimated rate of alveolar sequestration for MMVF10 was similar to that for particles, but the estimated rate was lower for the other two fibers. (cdc.gov)
Vitreous fibers13
- Synthetic vitreous fibers were not identified in any of the 1,647 hazardous waste sites that have been proposed for inclusion on the EPA National Priorities List (NPL) (HazDat 2004). (cdc.gov)
- However, the number of sites evaluated for synthetic vitreous fibers is not known. (cdc.gov)
- Like other inorganic substances, synthetic vitreous fibers do not undergo typical transformations in the environment, such as photolysis and biodegradation, which are important for organic compounds. (cdc.gov)
- Under acidic or alkaline conditions, synthetic vitreous fibers may undergo dissolution, whereby the silicate network may be attacked and slowly degraded. (cdc.gov)
- The transport and partitioning of synthetic vitreous fibers are largely governed by their size. (cdc.gov)
- The general population can be exposed to low levels of synthetic vitreous fibers when insulating material or other synthetic vitreous fiber-containing material such as ceiling boards are physically disturbed and fibers become suspended in the air. (cdc.gov)
- Home, building, and appliance insulation are often composed of glass wool, rock wool, or slag wool, and low levels of synthetic vitreous fibers have been detected in indoor air. (cdc.gov)
- Low levels of synthetic vitreous fibers have also been detected in outdoor air, and available data suggest that there are little differences in the concentration of these fibers near source dominated areas (e.g., near production plants) when compared to other locations. (cdc.gov)
- Typical levels of synthetic vitreous fibers in outdoor ambient air can vary, but are also on the order of about 1x10-4 fiber/cc. (cdc.gov)
- The overwhelming majority of human exposure to synthetic vitreous fibers occurs as occupational exposure through inhalation and dermal contact. (cdc.gov)
- Workers involved in demolition work, as well as in building maintenance and repair, are potentially exposed to higher levels of synthetic vitreous fibers once these materials are disturbed or demolished. (cdc.gov)
- In the literature discussing data on airborne synthetic vitreous fibers, total dust or total fiber levels are occasionally reported. (cdc.gov)
- These levels include all types of fibers, not just the synthetic vitreous fibers, and quite often synthetic vitreous fibers only constitute a small percentage of the total concentration of fibers in the sample. (cdc.gov)
Tiles15
- The original acoustical ceilings all-around solution, mineral fiber tiles remain a popular option for everything from offices and classrooms to retail shops and restaurants. (certainteed.com)
- CertainTeed Architectural offers a complete selection of mineral fiber tiles to meet a wide range of acoustical performance, visual, and budget requirements. (certainteed.com)
- Mineral Fiber Ceiling Tiles are fire resistance, as these are made from superfine slag wool, which has low content of organic matter. (indiafalseceiling.com)
- Mineral Fiber Ceiling Tiles are the only tiles certified with in combustibility Class A standard as per European standards. (indiafalseceiling.com)
- For maximum design versatility, select between concealed, tegular, and regular tiles made of mineral fiber. (usgme.com)
- The majority of our mineral fiber tiles are GREENGUARD Gold certified, Clean Room ISO 4 and ISO 5 rated, and comply with ISO 14644-1 standards. (usgme.com)
- These acoustical tiles are made from mineral wool that is highly absorbent. (usgme.com)
- As one of the most diverse lines of ceiling tiles and grid systems, mineral fiber and fiber glass ceilings offer end users a wide range of functionalities and customization. (gsa-ceiling-tile.com)
- Hebei Greens Building Material Technology Development Co., Ltd. is a leading manufacturer, supplier, and factory of Full Automatic Mineral Fiber Board Ceiling Tiles Production Line in China. (hbgreensbuilding.com)
- Our production line provides a cost-efficient solution for high-quality and standardized mineral fiber board ceiling tiles production. (hbgreensbuilding.com)
- It integrates multiple advanced technologies such as automatic feeding, cutting, and online packing, ensuring that your mineral fiber board ceiling tiles are of consistent quality. (hbgreensbuilding.com)
- With a focus on meeting the diverse manufacturing needs of our customers, the Full Automatic Mineral Fiber Board Ceiling Tiles Production Line is suitable for producing various sizes and patterns of tiles. (hbgreensbuilding.com)
- In summary, our Full Automatic Mineral Fiber Board Ceiling Tiles Production Line is the perfect solution for achieving high-quality production volumes while reducing costs. (hbgreensbuilding.com)
- Our Full Automatic Mineral Fiber Board Ceiling Tiles Production Line is the perfect solution for manufacturing high-quality ceiling tiles at a fast pace. (hbgreensbuilding.com)
- No matter you are a dealer,distributor,building company ,trading company or personal use,want to install mineral fiber ceiling tiles in your places,choosing Kente will be your best choice. (china.cn)
Collagen fibers1
- Surrounding the implant, slight resorption and hyalinization of peripheral collagen fibers were observed, with evidence of incorporation of implant material into connective tissue. (bvsalud.org)
Synthetic10
- Employees at manufacturing facilities where synthetic vitreous fiber products are produced, as well as workers who regularly install or come into contact with insulating material are most at risk for elevated levels of exposure. (cdc.gov)
- FDA added " acacia (gum arabic) " to the existing list of isolated or synthetic non-digestible carbohydrates that FDA intends to propose to be added to the definition of dietary fiber. (fda.gov)
- The agency responded to and granted many of the citizen petitions it received requesting that the agency consider adding certain isolated or synthetic non-digestible carbohydrates to the list of those that meet the regulatory definition of "dietary fiber. (fda.gov)
- In addition, FDA issued a guidance and released a science review to identify eight isolated or synthetic non-digestible carbohydrates (NDCs) that the agency intends to propose to be added to our regulatory definition of "dietary fiber. (fda.gov)
- FDA released a draft guidance for industry: "Scientific Evaluation of the Evidence on Beneficial Physiological Effects of Isolated or Synthetic Non-Digestible Carbohydrates Submitted as a Citizen Petition," to address the type of evidence that should be provided as part of a citizen petition ("dietary fiber petition") and the approach we plan to use to evaluate the evidence. (fda.gov)
- FDA published a request for scientific data, information, and comments to help us to determine whether certain isolated or synthetic non-digestible carbohydrates should be added to our definition of "dietary fiber. (fda.gov)
- FDA announced the Nutrition and Supplement Facts label final rule, which included a definition of "dietary fiber," and identified seven isolated or synthetic non-digestible carbohydrates as meeting the dietary fiber definition. (fda.gov)
- Dietary fiber that can be declared on the Nutrition and Supplement Facts labels includes certain naturally occurring fibers that are "intrinsic and intact" in plants, and added isolated or synthetic non-digestible soluble and insoluble carbohydrates that FDA has determined have beneficial physiological effects to human health. (fda.gov)
- What are some of the physiological effects that are beneficial to human health that have to be demonstrated before the FDA would propose to allow the added isolated or synthetic non-digestible carbohydrate in a food product to be declared on the label as a dietary fiber? (fda.gov)
- SYNTHETHIC TAKLON: Made with densely packed 100% synthetic Taklon fibers, this unique brush will not trap make-up. (juvitus.com)
Protein5
- Soluble fiber (dissolves in water): helps lower cholesterol, specifically low-density lipo-protein cholesterol (LDL), to aid in heart health. (bidmc.org)
- Eating whole grains is good for us because they are high in fiber, low in fat, contain protein, and are rich in B vitamins. (bidmc.org)
- Be low in fiber and protein. (medlineplus.gov)
- Beans are rich in fiber, protein and nutrients along with a relatively low glycemic index, which is why it is good for people with diabetes. (indiatimes.com)
- They are high in fiber and provide some protein. (medicalnewstoday.com)
Dietary14
- It is also a good source of dietary fiber. (healthybliss.net)
- Corn is an ancient grain that is high in B vitamins and carotenoid antioxidants and is another good source of dietary fiber. (healthybliss.net)
- Aim high in vitamins, minerals and dietary fiber. (eatright.org)
- Choose more foods containing dietary fiber, potassium, vitamin D, calcium and iron to maintain good health and help reduce your risk of certain health problems such as osteoporosis and anemia. (eatright.org)
- Dietary fiber may boost the body's absorption of calcium but does it in different ways for older men and women. (satterwhitechiropractic.com)
- Higher intake of dietary fiber and fruit fiber was protective against bone loss in men but not women. (satterwhitechiropractic.com)
- What actions has FDA taken on dietary fiber? (fda.gov)
- The guidance expresses FDA's intent, pending rulemaking regarding adding additional fibers to the "dietary fiber" definition, to exercise enforcement discretion if manufacturers include the eight recognized fibers when calculating the amount of dietary fiber to declare on the Nutrition and Supplement Facts labels, and for the use of a caloric value for polydextrose of 1 kcal/g. (fda.gov)
- What is FDA's definition for dietary fiber that can be declared on the Nutrition and Supplement Facts labels? (fda.gov)
- Corrections were made to the vitamin/minerals portion of the adult and youth questionnaire data files as well as the dietary recall portion of the examination data file. (cdc.gov)
- Getting adequate dietary fiber is especially important for people following the gluten-free diet. (bidmc.org)
- 1 There are two kinds of dietary fiber, soluble and insoluble . (bidmc.org)
- For example, a one cup serving of split pea soup contains close to five dietary fiber grams. (dietbites.com)
- unless sufficient liquid is paired with the daily weight loss plan, all those healthy benefits that are connected to dietary fiber will be basically useless. (dietbites.com)
Respirable2
Soluble4
- Soluble fiber found in beans, gluten-free oats and oat bran, and flaxseed may help lower total blood cholesterol levels. (bidmc.org)
- Soluble fiber can help people, particularly those with diabetes, improve their blood sugar levels by slowing the absorption of sugar. (bidmc.org)
- Many fibrous foods such as whole grains, fruits, vegetables, nuts and seeds have a combination of both soluble and insoluble fiber. (bidmc.org)
- The soluble fiber in lentils helps keep blood sugar levels in check. (indiatimes.com)
Inhalation1
- These data comprised lung burdens at 10 time points at each of 3 concentrations for each fiber in inhalation experiments lasting up to 104 wk. (cdc.gov)
Insoluble2
Ceilings7
- Explore the variety and high quality of our mineral fiber modular ceilings. (usgme.com)
- The mineral fiber modular ceilings from USG Middle East provide unparalleled design needs with a range of thicknesses and widths available. (usgme.com)
- Sonata Acoustical mineral fiber ceilings are made using a wet manufacturing technique using natural, renewable, and sustainable raw materials. (usgme.com)
- With affordable pricing and stellar performance options, Armstrong mineral fiber and fiberglass ceilings are suitable for a variety of facilities and uses for federal customers. (gsa-ceiling-tile.com)
- Mineral fiber and fiberglass ceilings are a part of Armstrong TOTAL ACOUSTICS portfolio for their notable noise reduction properties. (gsa-ceiling-tile.com)
- Mineral fiber and fiberglass ceilings can be used in a wide range of spaces and facilities, from health care to education. (gsa-ceiling-tile.com)
- Fiber and fiberglass ceilings are available on Armstrong's SUSTAIN Portfolio by meeting specific eco-friendly requirements such as recyclability and utilizing low carbon emissions. (gsa-ceiling-tile.com)
Panels3
- Our mineral fiber ceiling panels are known for being installer- and designer-friendly. (certainteed.com)
- Radarâ„¢ Acoustical Ceiling Panels are reasonably priced, medium-textured, wet felted mineral fiber panels with a distinctive, non-directional pattern and anti-sag performance. (usgme.com)
- The safe and environmental harvesting of these minerals will enable the development of key materials like wind turbines, batteries, and solar panels. (nov.com)
Sound Absorption1
- Sound Absorption: the product, composed of superfine granular mineral wool, has rich permeating micropes. (indiafalseceiling.com)
Carbohydrate3
- Fiber is the portion of a plant (made up of carbohydrate and lignin) inside the cell wall that is not digested by humans. (bidmc.org)
- Fiber is a type of carbohydrate found in plants that aids in digestion and the absorption of nutrients. (familydoctor.org)
- Some foods contain fiber, which is a tough complex carbohydrate. (msdmanuals.com)
Calories3
- A balanced diet has the right proportion of minerals, vitamins, other essential nutrients, and optimal calories for your body's makeup. (webmd.com)
- High-fiber diets also tend to have fewer calories for the same volume of food. (bidmc.org)
- Vegetables are low in calories and high in fiber, making them an ideal food to help you manage your blood sugar. (healthline.com)
Armstrong2
- Armstrong Mineral Fiber Baffle Line System features an aluminium frame and white laminate surface for a modern linear appearance. (knaufceilingsolutions.com)
- Offering you a complete choice of products which include pinhole mineral fiber false ceiling, armstrong fiber false ceiling and industrial ceiling. (royalceilingelevation.com)
Refractory1
- Workers involved in the removal of refractory ceramic fiber insulation in high temperature furnaces may also be exposed to quartz, cristobalite, and tridymite, which form as refractory ceramic fibers devitrify at elevated temperatures (Maxim et al. (cdc.gov)
1980s1
- NIOSH has estimated that there were about 30,000 U.S. workers exposed to ceramic fibers in the 1980s. (who.int)
Sugars2
- Canned varieties without added sugars are fine also, but they don't have the fiber that fresh and frozen fruits do since the skins are removed. (healthline.com)
- However, these foods and beverages are made with processed and refined sugars and do not have vitamins, minerals or fiber. (who.int)
Wool5
- Introducing Mineral Wool Fiber, a versatile and high-performance insulation material manufactured by Jiangxi Hebang Fiber Co., Ltd. As a leading China-based manufacturer, supplier, and factory, Hebang Fiber offers the best quality and cost-effective solutions for your insulation needs. (hb-fibre.com)
- Mineral Wool Fiber is made from natural volcanic rock, and it offers exceptional thermal and acoustic insulation properties. (hb-fibre.com)
- Hebang Fiber's Mineral Wool Fiber is eco-friendly, non-combustible, and has excellent moisture resistance. (hb-fibre.com)
- Trust Hebang Fiber as your go-to supplier and manufacturer of Mineral Wool Fiber. (hb-fibre.com)
- Shining mineral wool ceiling is 100% recyclable. (skzexpo.com)
Dissolution4
- Experimental dissolution rates of tested fibers have been reported to span over 5 orders of magnitude. (cdc.gov)
- A mathematical model describing the dissolution and disintegration of long fibers and the clearance of short fibers is developed. (cdc.gov)
- long fibers into shorter fibers gave a much better fit than the alternative assumption that dissolution would leave only nonfibrous residue and (b) the relative rates of disintegration of the fibers in the lung appear to be directly dependent on their rates of in vitro dissolu- tion and their diameters. (cdc.gov)
- The cumulative burden depends on the inhaled fibers' deposition in the lung, their subsequent clearance from and transport within the lung, and any dissolution or disintegration of fibers in the lung. (cdc.gov)
Organic1
- Fiber 14g is a unique blend of inulin fiber and organic acacia fiber from all-natural sources in a convenient, great-tasting liquid. (tlcnaturesdesign.com)
Vitamin1
- It is also a good source of fiber, vitamin c, and minerals, making it beneficial for diabetes patients. (indiatimes.com)
Inorganic1
- Fibrox mineral fiber is an inorganic, glassy material spun at high temperatures from molten minerals. (fibrox.com)
Ceiling9
- Install mineral fiber board on it and pay attention to installing the tiny board around the ceiling equally. (indiafalseceiling.com)
- Suspend the mineral fiber board in a wet environment after installation of door, windows, glasses and pipelines in the ceiling and testing pressure of upper and lower water pipe. (indiafalseceiling.com)
- Mineral Fiber Ceiling appeared in most countries in 1990s, and has since become increasingly popular. (prancebuilding.com)
- Minetal Fiber False Ceiling is Widely used for Commercial Offices and Banks, Auditorium, Beside its aesthetic Look, It is Also Accoustic and Durable, No Microorganism, Easy to Install and Easy to Access. (royalceilingelevation.com)
- Looking for a reliable Mineral Fiber Ceiling Board Production Line? (hbgreensbuilding.com)
- Kente Building Materials Co., Ltd is a leading company in the design and manufacture of mineral fiber ceiling system China. (china.cn)
- Kente's mineral fiber ceiling system is widely used for home,office,hospital meeting rooms ,classrooms and more,it can make your ceiling areas looks more beautiful and give people a comfortable sounding place. (china.cn)
- NRC of mineral fiber acoustic ceiling board can be 1-2 times better than other types of Ceiling board. (china.cn)
- 4. The damp-proofing admixture which added in mineral fiber acoustic ceiling board can make the ceiling board stronger and improve the humidity resistance. (china.cn)
Toxicity1
- Insufficient data are available to fully understand the role of specific physicochemical properties on the potential toxicity across various types of fiber materials. (cdc.gov)
Nutrients2
- They will fill you up and provide vitamins, minerals, and other nutrients your body needs. (medlineplus.gov)
- Lack vitamins, minerals, and other important nutrients. (medlineplus.gov)
Ceramic3
- There is a small European convenience cohort of ceramic fiber production workers (n=774), but there are no cancer data on this cohort. (who.int)
- There was some evidence of lung function damage in relation to increased ceramic fiber exposure (Cowie et al. (who.int)
- 2001). There was a relation between pleural plaques and time since last exposure to ceramic fibers. (who.int)
Carbohydrates1
- Eating high-fiber foods and mixed meals , not just carbohydrates alone, can help slow digestion and take pressure off the pancreas. (healthline.com)
Made5
- These eliminations can be made by using long fiber thermoplastics in the parts of vehicles to reduce weight. (marketsandmarkets.com)
- Fiber cement is a composite material made of cement reinforced with cellulose fibers. (wikipedia.org)
- Thinner sheets can be scored with a heavy duty cutting blade and snapped Using a hand- or electric-powered "fibro cutter" (Australian term) A mechanical saw using a diamond blade (masonry blade) is needed to cut thicker and denser sheets When hanging fiber cement sheets, an approximately 5-millimetre (0.2 in) gap is required between end-joints (cladding seams), later to be filled with caulking made for fiber cement siding. (wikipedia.org)
- Fibrous - Crystals made up of fibers. (webmineral.com)
- In the United States, the average amount of fiber consumed daily is about 12 grams because people tend to eat products made with highly refined wheat flour and do not eat many fruits and vegetables. (msdmanuals.com)
Lung2
- Long-term exposure to silica dust generated by cutting fiber cement siding during installation can lead to silicosis and other lung diseases among workers. (wikipedia.org)
- Two alternative hypotheses to describe the process of the disappearance of longer fibers were tested by assessing their effect on a quantitative measure of fit of model predictions to the lung-burden data. (cdc.gov)
Products7
- By melting high purity slag and mineral ores in a state-of-the-art electric arc furnace, Fibrox produces world-class mineral fiber products that meet and exceed the demands of today's sophisticated applications. (fibrox.com)
- Fibrox mineral fiber products are used in a wide variety of industrial and commercial applications. (fibrox.com)
- Production and development projects are undertaken to reduce the manufacturing costs of long fiber thermoplastic composite products through technology and process solutions. (marketsandmarkets.com)
- Thermal resistance and sound transmission can vary greatly between fiber cement products. (wikipedia.org)
- Fiber cement sheet products rate poorly in thermal resistance and sound transmission and separate wall insulation is highly recommended. (wikipedia.org)
- The thicker/denser fiber cement products have excellent impact resistance but the thinner less dense products need to be protected from impact. (wikipedia.org)
- This is not necessarily the case with gluten-free grain products which are often prepared with refined (low fiber) flours and grains (rice and rice flour, corn and corn flour, potato starch and tapioca starch). (bidmc.org)
Vegetables2
- Fiber from vegetables was protective against spine bone loss in women but not men. (satterwhitechiropractic.com)
- The principal message from nutritional studies in humans has been an endorsement of the benefits of a diet consisting mainly of vegetables, fruits, fiber, and fish, combined with restricted caloric intake and/or exercise to maintain or achieve a healthy weight. (medscape.com)
Constipation1
- Some people on the gluten-free diet may have trouble with constipation due to inadequate fiber in their diet. (bidmc.org)
Nutrition1
- (7) However, medical literature points out that the general benefit of nutrition - and now fiber intake in men - on the well-being of the body, its bones and its spine. (satterwhitechiropractic.com)
Excellent source of fiber1
- Beans are an excellent source of fiber. (healthline.com)
Material3
- Fiber cement siding (also known as "fibre cement cladding" in the United Kingdom, "fibro" in Australia, and by the proprietary name "Hardie Plank" in the United States) is a building material used to cover the exterior of a building in both commercial and domestic applications. (wikipedia.org)
- Fiber cement cladding is a non-combustible material which is widely used in high bushfire prone areas throughout Australia. (wikipedia.org)
- It is a fluffy fiber material that is easy to install and offers long-lasting protection against heat, sound, and fire. (hb-fibre.com)
High-fiber content1
- This is because it contains moderate to high fiber content and lower glycemic index. (indiatimes.com)
Diseases1
- Researchers are studying how certain fermenting fibers may help prevent diseases in the colon. (bidmc.org)
Carbon Fiber1
- The article at hand is envisaged to enumerate significant technological parameters for the successful impregnation of carbon fiber rovings having 50,000 (50 K) filaments, each within a fine-grained, cementitious suspension. (tu-dresden.de)
Grams4
- All bran, 100% bran, and shredded wheat cereals (look for cereals with at least 4 grams of fiber per serving. (medlineplus.gov)
- The champion of fiber grams when it comes to soup is bean and lentil varieties. (dietbites.com)
- Authorities generally recommend that about 30 grams of fiber be consumed daily. (msdmanuals.com)
- An average serving of fruit, a vegetable, or cereal contains 2 to 4 grams of fiber. (msdmanuals.com)
Insulation1
- Through this patented three-step process-melting, fiberization and collection - Fibrox mineral fiber out-performs and reduces costs compared to traditional insulation, filler and reinforcement materials. (fibrox.com)
Temperature1
- Long fiber thermoplastics are being increasingly used because of their various advantages in consumer goods due to their functional performance, high-temperature tolerance, and dimensional stability. (marketsandmarkets.com)
Composite1
- 2. Use the composite fiber and reticular coating. (china.cn)
Pigments1
- Source of Life is an incredible nutritional breakthrough which emulates nature's wholesome goodness with a powerful blend of vitamins, minerals, lipids, bioflavonoids, enzymes, plant pigments, amino acids, nucleic acids and herbs. (vitacost.com)