Helminths
Helminthiasis, Animal
Therapy with Helminths
Intestinal Diseases, Parasitic
Antigens, Helminth
Ancylostomatoidea
Anthelmintics
Nematospiroides dubius
Albendazole
Schistosoma mansoni
Protozoan Infections
Filarioidea
Schistosoma
Filariasis
Nippostrongylus
Schistosomiasis
Schistosomiasis mansoni
Trematoda
Feces
Fasciola hepatica
Necator americanus
Host-Parasite Interactions
Soil
Nematoda
Parasitic Diseases
Th2 Cells
Trichinella spiralis
Strongyloides stercoralis
Necatoriasis
Ascaris
Mebendazole
Strongyloidea
Strongyloidiasis
Hymenolepis nana
Trichinellosis
Prevalence
Ancylostoma
Parasites
Ascaris suum
Coinfection
Fascioliasis
Spiruroidea
Immunoglobulin E
Cote d'Ivoire
Mansonelliasis
Schistosoma haematobium
Toxocariasis
Basophils
Wuchereria bancrofti
Parasitic Diseases, Animal
Antinematodal Agents
Amoebozoa
Schistosomiasis haematobia
Neglected Diseases
Ivermectin
Hygiene
Tropical Medicine
Oxyurida
Laos
Methyl Green
Ancylostomiasis
Hydrology
Mansonella
Interleukin-4
Elephantiasis, Filarial
Platyhelminths
Mice, Inbred BALB C
Oxyuroidea
Hymenolepis diminuta
Ascaridida
Toxocara canis
Pregnancy Complications, Parasitic
Onchocerciasis
Trichostrongyloidea
A survey of helminth parasites of cats from Saskatoon. (1/335)
In a survey of 52 cats from the Saskatoon area, Ollulanus tricuspis were found in 2 animals with burdens of 2308 and 533, respectively. Small burdens of the following helminths were also found: Physaloptera spp., Toxocara cati, Taenia spp., Dipylidium caninum, and Ancylostoma sp. (+info)Infections by helminth parasites in "puyenes", Galaxias maculatus (Galaxiidae, Salmoniformes), from Southern Argentina with special reference to Tylodelphys barilochensis (Digenea, Platyhelminthes). (2/335)
The occurrence of Tylodelphys barilochensis, Acanthostomoides apophalliformis, Contracaecum sp. and Camallanus corderoi infecting Galaxias maculatus ("puyenes") was quantified for the first time in Lake Nahuel Huapi, southern Argentina. T. barilochensis was recorded in this lake for the first time. The role of G. maculatus population in transmission of parasites to the salmonids is more important for Contracaecum sp. (prevalence 14-34%) and A. apophalliformis (prevalence 30-54%) than for C. corderoi (prevalence 6-8%). The absence of Diphyllobothrium spp. in samples shows that the G. maculatus population does not play any role in the life cycles of these important zoonotic parasites. The sex of the host had no effect on T. barilochensis abundance. Statistical differences in T. barilochensis abundance between "puyenes" of the same size class between sampling stations and positive correlation between prevalence of infected snails and T. barilochensis abundance in fish suggest that different stocks have been sampled. Factors influencing T. barilochensis abundance are discussed. (+info)A trade-off between energy intake and exposure to parasites in oystercatchers feeding on a bivalve mollusc. (3/335)
Models of animal dispersion between habitat patches that differ in resource density assume that animals maximize their fitness by maximizing the rate at which they consume resources. How valid is this assumption? Studies on wading birds have been central to the application of dispersion models to predator-prey systems. However, these birds do not always attempt to maximize their rate of energy intake, implying that maximization involves costs as well as benefits. Overwintering oystercatchers feeding on cockles in the Burry Inlet, South Wales, do not consume the larger more energetically profitable cockles even though consuming these prey would increase their rate of energy intake. This paper tests the hypothesis that maximizing energy intake involves a trade-off with exposure to helminth parasites. Cockles are important intermediate hosts for helminth parasites, for which oystercatchers are the definitive host. The helminth intensity of cockles increased significantly with cockle size. A functional response model was used to examine how size selection by the birds influenced energy intake and the ingestion rate of parasites. To maximize energy intake birds should selectively consume the larger size classes, but to minimize the ingestion rate of parasites they should consume the smallest size classes. In the wild, birds selectively consumed intermediate size classes, which could represent a compromise between these conflicting demands. The implications for animal dispersion models are discussed. (+info)Parasitological survey on wild carnivora in north-western Tohoku, Japan. (4/335)
In the winter of 1997-1998, we collected parasitological data from 60 wild carnivora in the north-western part of Tohoku region, Japan. These included 7 foxes (Vulpes vulpes japonica), 20 raccoon dogs (Nyctereutes procyonoides viverrinus), 29 martens (Martes melampus melampus), 3 weasels (two Mustela sibirica itatsi and one M. nivalis namiyei), and one Japanese badger (Meles meles anakuma). Roundworms (Toxocara canis in foxes and Toxocara tanuki in raccoon dogs), hookworms (Ancylostoma kusimaense and Arthrostoma miyazakiense) and Molineus sp. in the small intestine were the most prevalent in foxes and raccoon dogs. In martens, Aonchotheca putorii in the stomach, Concinnum ten in the pancreatic duct, Molineus sp. and Euryhelmis costaricensis in the small intestine were the most prevalent. Collected parasites include some new helminth species for this region or Japan; the strobilar stage of Taenia polyacantha from foxes, Pygidliopsis summa from a raccoon dog, Eucoleus aerophilus, A. putorii, and Soholiphyme baturini from martens. (+info)Helminth fauna of carnivores distributed in north-western Tohoku, Japan, with special reference to Mesocestoides paucitesticulus and Brachylaima tokudai. (5/335)
In the winter of 1998-1999, we collected parasitological data from 54 wild carnivores in the north-western part of Tohoku region, Japan. These consisted of 38 martens (Martes melampus melampus), 14 raccoon dogs (Nyctereutes procyonoides viverrinus) and 2 foxes (Vulpes vulpes japonica). Collected helminth parasites were 11 nematode, 10 trematode, 3 cestode, and a single acanthocephalan species, including 5 hitherto unknown species for this research area or the mainland of Japan (Honshu). Mesocestoides paucitesticulus was for the first time recorded from martens as well as from carnivores distributed in Honshu. Brachylaima tokudai originally recorded from Urotrichus talpoides in the central part of Honshu was for the first time found from a raccoon dog. (+info)Helminthic transmission and isolation of Ehrlichia risticii, the causative agent of Potomac horse fever, by using trematode stages from freshwater stream snails. (6/335)
We report successful helminthic transmission of Ehrlichia risticii, the causative agent of Potomac horse fever, using trematode stages collected from Juga yrekaensis snails. The ehrlichial agent was isolated from the blood of experimentally infected horses by culture in murine monocytic cells and identified as E. risticii ultrastructurally and by characterization of three different genes. (+info)Drug resistance in human helminths: current situation and lessons from livestock. (7/335)
In this review the available reports on drug resistance in human helminths, particularly hookworms and schistosomes, are critically analyzed. The experiences with helminths of livestock are then reviewed, in particular the factors contributing to the development of anthelmintic resistance, the mechanisms and genetics of resistance to various anthelmintic classes, and the methods available for detection. These experiences appear to be worryingly similar and relevant to the potential development of drug resistance in human helminths. Recommendations to reduce its risks are suggested. (+info)Evaluation of commercially available preservatives for laboratory detection of helminths and protozoa in human fecal specimens. (8/335)
Formalin and mercuric chloride-based low-viscosity polyvinyl alcohol (LV-PVA) are widely used by most diagnostic parasitology laboratories for preservation of helminth eggs and protozoan cysts and trophozoites in fecal specimens. Concerns about the toxicity of formalin and the difficulty of disposal of LV-PVA are powerful incentives to use alternate preservatives. Such alternatives have been marketed by several companies and are often presented as one-vial, non-mercuric chloride fixatives that aim at performing the same role as formalin and PVA combined. We compared five, one-vial commercial preservatives, two from Meridian Diagnostics, Inc. (Ecofix and sodium acetate-acetic acid-formalin), and one each from Scientific Device Laboratories, Inc. (Parasafe), Alpha Tec Systems, Inc. (Proto-fix), and Streck Laboratories, Inc. (STF), with 10% formalin and LV-PVA. Fecal specimens obtained from patients in a Brazilian hospital were aliquoted within 12 h of collection into the seven preservatives mentioned above and were processed after 1 month at the Centers for Disease Control and Prevention. Direct and concentrated permanent smears as well as concentrates for 20 positive specimens (a total of 259 processed samples) were prepared, stained according to the manufacturers' instructions, examined, and graded. Positive specimens contained one or more parasites with stages consisting of eggs, larvae, cysts, and a few trophozoites of Giardia intestinalis. Criteria for assessment of the preservatives included the quality of the diagnostic characteristics of helminth eggs, protozoan cysts, and trophozoites, ease of use, and cost. Acceptable alternatives to formalin for wet preparations were found. Ecofix was found to be comparable to the traditional "gold standard" LV-PVA for the visualization of protozoa in permanent stained smears. This study suggests that more acceptable alternatives to the traditional formalin and LV-PVA exist. (+info)Helminthiasis is a medical condition caused by the presence of parasitic worms (helminths) in the body. These worms can infect various organs and tissues, including the digestive system, lungs, liver, and brain. There are many different types of helminths that can cause helminthiasis, including roundworms, tapeworms, and flukes. The symptoms of helminthiasis can vary depending on the type of worm and the location of the infection. Common symptoms may include abdominal pain, diarrhea, nausea, vomiting, fatigue, and weight loss. Helminthiasis can be diagnosed through a variety of methods, including stool analysis, blood tests, and imaging studies. Treatment typically involves the use of antihelminthic drugs to kill or remove the worms from the body. In some cases, surgery may be necessary to remove large or deeply embedded worms. Prevention of helminthiasis involves good hygiene practices, such as washing hands regularly and avoiding contact with contaminated soil or water.
Helminthiasis, Animal refers to a group of parasitic infections caused by various types of worms (helminths) that affect animals, including livestock, companion animals, and wildlife. These infections can cause a range of clinical signs and symptoms, depending on the type and severity of the infection, as well as the species of the host animal. Some common examples of helminth infections in animals include roundworms (ascariasis), tapeworms (taeniasis), and flukes (schistosomiasis). These infections can be transmitted through various routes, such as ingestion of contaminated food or water, contact with infected animals or their feces, or through vectors such as flies or ticks. Helminthiasis in animals can have significant economic and public health impacts, particularly in the agricultural and veterinary sectors. In addition to causing morbidity and mortality in affected animals, these infections can also pose a risk to human health if they are transmitted to humans through contact with infected animals or their products. Therefore, effective prevention and control measures are essential to minimize the impact of helminthiasis in animals.
Intestinal diseases caused by parasites are a group of conditions that affect the digestive system and are caused by the presence of parasites in the intestines. These parasites can be protozoa, helminths, or other microorganisms that live in the digestive tract and cause damage to the lining of the intestine, leading to symptoms such as abdominal pain, diarrhea, nausea, vomiting, and weight loss. Some common examples of parasitic intestinal diseases include: 1. Ascariasis: caused by the roundworm Ascaris lumbricoides, which can cause abdominal pain, diarrhea, and coughing up worms. 2. Giardiasis: caused by the protozoan Giardia lamblia, which can cause diarrhea, abdominal cramps, and bloating. 3. Hookworm infection: caused by the hookworms Necator americanus and Ancylostoma duodenale, which can cause anemia, abdominal pain, and weight loss. 4. Trichomoniasis: caused by the protozoan Trichomonas vaginalis, which can cause diarrhea, abdominal pain, and nausea. 5. Schistosomiasis: caused by parasitic flatworms called schistosomes, which can cause abdominal pain, diarrhea, and blood in the stool. Treatment for parasitic intestinal diseases typically involves the use of antiparasitic medications, although in some cases, surgery may be necessary. Prevention measures include practicing good hygiene, avoiding contaminated food and water, and using insect repellent to prevent mosquito bites.
Antibodies, Helminth refers to a type of immune response that occurs when the body is exposed to helminth parasites, which are a group of large, multicellular worms that can cause various diseases in humans and animals. Helminths can infect different parts of the body, including the lungs, intestines, liver, and brain. When the body is exposed to helminth parasites, it produces antibodies to fight off the infection. These antibodies are specific to the antigens present on the surface of the helminth and can help to neutralize the parasite or mark it for destruction by other immune cells. The production of antibodies in response to helminth infections is an important part of the immune response and can help to protect the body from future infections. However, in some cases, the immune response to helminth infections can also cause damage to the body, leading to symptoms such as inflammation, tissue damage, and organ dysfunction.
In the medical field, "Antigens, Helminth" refers to proteins or other molecules found on the surface of helminths (parasitic worms) that can trigger an immune response in the host. These antigens can be recognized by the host's immune system as foreign and can stimulate the production of antibodies and other immune cells to fight off the infection. Helminth antigens are important in the diagnosis and treatment of helminth infections, as well as in the development of vaccines against these parasites.
Ancylostomatoidea is a superfamily of roundworms that includes several species that are commonly known as hookworms. These hookworms are parasitic worms that infect the small intestine of humans and other animals, including dogs, cats, and livestock. The most common species of hookworm that infects humans is Necator americanus, while the most common species that infects dogs and cats is Ancylostoma caninum. Hookworms are transmitted to humans and animals through contact with contaminated soil, typically in areas where human or animal feces are present. Once the hookworms enter the body, they migrate to the small intestine, where they attach themselves to the intestinal wall and feed on the host's blood. This can lead to anemia, malnutrition, and other health problems, particularly in children and people with weakened immune systems. Treatment for hookworm infections typically involves the use of anthelmintic drugs, which are medications that kill or expel the worms from the body. Prevention measures include practicing good hygiene, such as washing hands and avoiding contact with contaminated soil, and treating infected animals to prevent them from shedding hookworm eggs into the environment.
Anthelmintics are a class of drugs used to treat helminth (worm) infections in humans and animals. Helminths are parasitic worms that can cause a range of health problems, including abdominal pain, diarrhea, anemia, and malnutrition. Anthelmintics work by either killing the worms or preventing them from reproducing. There are several types of anthelmintics, including: 1. Benzimidazoles: These drugs are used to treat tapeworms, roundworms, and hookworms. They work by disrupting the worms' digestive system, causing them to starve and die. 2. Piperazines: These drugs are used to treat tapeworms and roundworms. They work by paralyzing the worms, making it easier to expel them from the body. 3. Ivermectin: This drug is used to treat a range of helminth infections, including roundworms, hookworms, and whipworms. It works by paralyzing the worms, making it easier to expel them from the body. 4. Mebendazole: This drug is used to treat roundworms, hookworms, and whipworms. It works by disrupting the worms' digestive system, causing them to starve and die. Anthelmintics are typically administered orally, although some may be administered topically or by injection. It is important to follow the instructions provided by a healthcare professional when taking anthelmintics, as they may have side effects and can interact with other medications.
Helminth proteins refer to the proteins produced by parasitic worms, also known as helminths. These proteins play a crucial role in the biology and pathogenesis of helminth infections, as well as in the host-parasite interactions. Helminth proteins can be classified into different categories based on their function, such as tegumental proteins, secretory proteins, and excretory proteins. Tegumental proteins are located on the surface of the helminth and play a role in protecting the parasite from the host immune system. Secretory proteins are produced by the parasites and are secreted into the host tissues, where they can modulate the host immune response and facilitate the survival and reproduction of the parasite. Excretory proteins are produced by the parasites and are excreted into the host bloodstream, where they can affect the host's metabolism and immune function. Helminth proteins have been the subject of extensive research in the medical field, as they represent potential targets for the development of new drugs and vaccines against helminth infections. Additionally, some helminth proteins have been shown to have immunomodulatory properties, making them of interest for the treatment of autoimmune diseases and other inflammatory conditions.
Strongylida infections refer to a group of parasitic worm infections caused by members of the family Strongylida. These worms are commonly found in the gastrointestinal tracts of horses, sheep, goats, and cattle, and can also infect humans through contact with infected animals or contaminated soil. Strongylida infections can cause a range of clinical signs and symptoms, depending on the species of worm and the severity of the infection. These may include diarrhea, weight loss, colic, abdominal pain, and anemia. In severe cases, the infection can lead to death. Diagnosis of strongylida infections typically involves a combination of clinical examination, fecal egg counts, and other diagnostic tests such as blood tests or endoscopy. Treatment typically involves the use of anthelmintic drugs to kill the worms, although in some cases, surgery may be necessary to remove large or obstructing worms. Prevention of strongylida infections involves regular deworming of infected animals, proper sanitation and hygiene practices, and avoiding contact with infected animals or contaminated soil.
Nematode infections, also known as helminth infections, are caused by parasitic roundworms called nematodes. These worms can infect various parts of the body, including the skin, lungs, intestines, and brain. The most common nematode infections include: 1. Ascariasis: caused by the roundworm Ascaris lumbricoides, which infects the small intestine. 2. Trichinosis: caused by the roundworm Trichinella spiralis, which infects the muscles. 3. Hookworm infection: caused by the roundworms Necator americanus and Ancylostoma duodenale, which infect the small intestine. 4. Strongyloidiasis: caused by the roundworm Strongyloides stercoralis, which infects the skin and lungs. 5. Filariasis: caused by the roundworms Wuchereria bancrofti, Brugia malayi, and Brugia timori, which infect the lymphatic system. Nematode infections can cause a range of symptoms, depending on the location and severity of the infection. Symptoms may include abdominal pain, diarrhea, nausea, vomiting, coughing, fever, and skin rash. In severe cases, nematode infections can lead to complications such as anemia, malnutrition, and organ damage. Treatment typically involves the use of antiparasitic medications to kill the worms or prevent their reproduction.
Cestoda is a class of parasitic flatworms that are commonly known as tapeworms. They are characterized by their flattened, ribbon-like bodies and their ability to attach themselves to the walls of the small intestine of their host. Tapeworms are found in a wide range of animals, including humans, and can cause a variety of health problems in infected individuals. Some common examples of tapeworms include Taenia saginata (beef tapeworm), Taenia solium (pork tapeworm), and Diphyllobothrium latum (fish tapeworm). Treatment for tapeworm infections typically involves the use of antiparasitic medications.
Albendazole is an antihelminthic medication used to treat a variety of parasitic infections, including roundworms, tapeworms, and hookworms. It works by interfering with the metabolism of the parasites, leading to their death. Albendazole is available in both oral and injectable forms and is commonly used in both humans and animals. It is generally well-tolerated, but like all medications, it can cause side effects, such as nausea, vomiting, and abdominal pain.
Protozoan infections are a group of diseases caused by single-celled organisms called protozoa. Protozoa are microscopic organisms that can be found in various environments, including soil, water, and the human body. They can cause a wide range of infections in humans, including gastrointestinal, respiratory, and bloodstream infections. Protozoan infections can be transmitted through various routes, including contaminated food and water, sexual contact, and contact with infected animals. Some common examples of protozoan infections include giardiasis, cryptosporidiosis, toxoplasmosis, and malaria. The symptoms of protozoan infections can vary depending on the type of infection and the severity of the illness. Some common symptoms include diarrhea, abdominal pain, nausea, vomiting, fever, headache, and fatigue. In severe cases, protozoan infections can lead to complications such as organ damage, anemia, and death. Treatment for protozoan infections typically involves the use of antiprotozoal medications, which are designed to kill or inhibit the growth of the protozoa. In some cases, supportive care such as fluid replacement and electrolyte replacement may also be necessary. Prevention of protozoan infections involves practicing good hygiene, avoiding contaminated food and water, and taking precautions when traveling to areas where these infections are common.
Cestode infections, also known as tapeworm infections, are caused by tapeworms, which are flatworms that live in the intestines of animals, including humans. Tapeworms are divided into two main groups: cestodes and trematodes. Cestodes are the type of tapeworm that infects humans. Cestodes are characterized by their long, flat bodies, which are divided into segments called proglottids. Each proglottid contains reproductive organs and can detach from the main body of the tapeworm and pass through the digestive system to be excreted in the feces. Cestode infections are typically acquired by consuming contaminated food or water, or by coming into contact with contaminated soil or surfaces. The most common types of cestode infections in humans include: 1. Taenia solium (pork tapeworm): This tapeworm is transmitted through the consumption of undercooked pork or pork products that contain the eggs of the tapeworm. 2. Taenia saginata (beef tapeworm): This tapeworm is transmitted through the consumption of undercooked beef or beef products that contain the eggs of the tapeworm. 3. Echinococcus granulosus (dog tapeworm): This tapeworm is transmitted through the consumption of undercooked meat or raw vegetables that have been contaminated with the eggs of the tapeworm. Symptoms of cestode infections may include abdominal pain, diarrhea, nausea, and weight loss. In some cases, the tapeworms may cause more serious complications, such as blockages in the intestines or allergic reactions. Treatment for cestode infections typically involves the use of antiparasitic medications to kill the tapeworms. In some cases, surgery may be necessary to remove the tapeworms or to treat complications caused by the infection. Prevention of cestode infections involves practicing good hygiene, cooking meat thoroughly, and avoiding contact with contaminated soil or surfaces.
Filariasis is a group of parasitic infections caused by nematode worms of the genus Wuchereria, Brugia, and Mansonella. These worms are transmitted to humans through the bite of infected mosquitoes. There are three main types of filariasis: 1. Lymphatic filariasis: This type of filariasis affects the lymphatic system and causes swelling of the limbs and genitals, a condition known as elephantiasis. 2. Onchocerciasis: Also known as river blindness, this type of filariasis causes severe itching, skin rash, and vision problems. 3. Mansonellaosis: This type of filariasis is characterized by skin rashes, fever, and swelling of the lymph nodes. Filariasis is a major public health problem in many parts of the world, particularly in tropical and subtropical regions. It is estimated that over 120 million people are infected with filariasis worldwide, and millions more are at risk of infection. Treatment for filariasis typically involves the use of anti-parasitic drugs, although in some cases, surgery may be necessary to treat complications such as elephantiasis.
Schistosomiasis is a parasitic infection caused by a group of flatworms called schistosomes. The infection is transmitted through contact with freshwater contaminated with the larvae of the parasite. The most common species of schistosomes that cause human infection are Schistosoma mansoni, Schistosoma haematobium, and Schistosoma japonicum. The infection can cause a range of symptoms, including abdominal pain, diarrhea, blood in the stool or urine, fever, and fatigue. In severe cases, schistosomiasis can lead to long-term health problems such as liver damage, kidney damage, bladder cancer, and infertility. Schistosomiasis is most prevalent in tropical and subtropical regions of the world, particularly in Africa, Asia, and South America. It is estimated that over 200 million people worldwide are infected with schistosomiasis, and an additional 700 million people are at risk of infection. Treatment for schistosomiasis typically involves the use of antiparasitic drugs, such as praziquantel, to kill the parasites. Prevention measures include avoiding contact with contaminated water, wearing protective clothing, and treating infected animals to reduce the number of parasites in the environment.
Schistosomiasis mansoni is a parasitic infection caused by the blood fluke Schistosoma mansoni. It is one of the most common forms of schistosomiasis, which is a group of parasitic infections that affect the urinary and digestive systems. The infection occurs when a person comes into contact with freshwater contaminated with the larvae of the parasite. The larvae penetrate the skin and migrate through the bloodstream to the lungs, where they mature into adult worms. The adult worms then migrate to the liver and colonize there, where they lay eggs that are excreted in the feces. The eggs can then be released into the water and infect other people who come into contact with the contaminated water. The infection can cause a range of symptoms, including abdominal pain, diarrhea, blood in the stool or urine, and liver damage. In severe cases, it can lead to complications such as liver fibrosis, portal hypertension, and bladder cancer. Schistosomiasis mansoni is most common in tropical and subtropical regions of the world, particularly in Africa, South America, and the Middle East. It is preventable through measures such as avoiding contact with contaminated water and treating infected individuals with medication.
DNA, Helminth refers to the genetic material of helminths, which are a group of parasitic worms that can infect humans and other animals. Helminths include roundworms, tapeworms, and flukes, among others. Helminths have complex life cycles that involve multiple hosts, and they can cause a range of diseases in humans, including anemia, malnutrition, and organ damage. The genetic material of helminths is important for understanding their biology, evolution, and pathogenicity, as well as for developing new treatments and vaccines for helminth infections. DNA sequencing and molecular biology techniques have been used to study the genetics of helminths, and this research has led to important discoveries about the biology of these parasites and the mechanisms by which they cause disease. Understanding the genetics of helminths is also important for developing new strategies for controlling and preventing helminth infections, which are a major public health problem in many parts of the world.
Trematode infections, also known as fluke infections, are caused by a group of parasitic flatworms called trematodes. These parasites can infect a wide range of hosts, including humans, animals, and plants. Trematodes have complex life cycles that involve two or more hosts, with the adult worms typically living in the tissues of one host and the larval stages living in the tissues of another host. Trematode infections can cause a variety of symptoms depending on the specific parasite and the location of the infection. Some common symptoms of trematode infections include abdominal pain, diarrhea, nausea, vomiting, weight loss, and fever. In severe cases, trematode infections can lead to more serious complications such as liver damage, kidney damage, and even death. Trematode infections are typically diagnosed through a combination of physical examination, medical history, and laboratory tests. Treatment for trematode infections typically involves the use of antiparasitic medications, although in some cases surgery may be necessary to remove the infected tissue. Prevention of trematode infections involves avoiding exposure to contaminated water and food, practicing good hygiene, and using protective clothing and equipment when working with infected animals or plants.
In the medical field, "soil" typically refers to the microorganisms and other biological material that can be found in soil. These microorganisms can include bacteria, viruses, fungi, and parasites, and can be present in various forms, such as in soil particles or as free-living organisms. Soil can also refer to the physical and chemical properties of the soil, such as its texture, pH, nutrient content, and water-holding capacity. These properties can affect the growth and health of plants, and can also impact the spread of soil-borne diseases and infections. In some cases, soil can also be used as a medium for growing plants in a controlled environment, such as in a greenhouse or laboratory setting. In these cases, the soil may be specially formulated to provide the necessary nutrients and conditions for optimal plant growth.
Parasitic diseases are infections caused by parasites, which are organisms that live on or inside a host organism and obtain nutrients from it. Parasites can be protozoa, helminths, or arthropods, and they can cause a wide range of diseases in humans and animals. Parasitic diseases can be transmitted through various routes, including contaminated food and water, sexual contact, insect bites, and contact with contaminated soil or surfaces. Some common parasitic diseases include malaria, schistosomiasis, leishmaniasis, giardiasis, and tapeworm infections. The symptoms of parasitic diseases can vary depending on the type of parasite and the severity of the infection. Some common symptoms include abdominal pain, diarrhea, nausea, vomiting, fatigue, fever, and weight loss. In severe cases, parasitic infections can lead to organ damage, anemia, and even death. Treatment for parasitic diseases typically involves the use of antiparasitic medications, which can be effective in eliminating the parasites from the body. In some cases, supportive care may also be necessary to manage symptoms and prevent complications. Prevention measures include practicing good hygiene, avoiding contaminated food and water, using insect repellent, and taking appropriate precautions when traveling to areas where parasitic diseases are common.
Hymenolepiasis is a type of parasitic infection caused by the roundworm Hymenolepis nana. It is also known as "pinworm" or "threadworm." The infection is common in children and is transmitted through contaminated food or water, or by direct contact with an infected person or animal. The adult worms live in the small intestine and lay eggs that are passed in the feces. The eggs can then hatch in the environment and infect another person or animal. The symptoms of hymenolepiasis include abdominal pain, itching around the anus, difficulty sleeping, and fatigue. In severe cases, the infection can cause malnutrition and anemia. Treatment for hymenolepiasis typically involves the use of antihelminthic drugs, such as mebendazole or albendazole, which kill the worms and their eggs. Prevention measures include good hygiene practices, such as washing hands regularly and avoiding contact with contaminated surfaces, as well as proper food and water sanitation.
Necatoriasis, also known as hookworm disease, is a parasitic infection caused by the nematode worms Necator americanus and Ancylostoma duodenale. These worms are transmitted to humans through contact with contaminated soil, typically in areas with poor sanitation and hygiene. The worms penetrate the skin and migrate to the lungs, where they are coughed up and swallowed. They then migrate to the small intestine, where they attach themselves to the intestinal wall and feed on blood. This can lead to anemia, malnutrition, and other health problems, particularly in children and pregnant women. Symptoms of necatoriasis may include abdominal pain, diarrhea, fatigue, and loss of appetite. In severe cases, the infection can cause respiratory problems, anemia, and even death. Treatment for necatoriasis typically involves the use of anthelmintic drugs to kill the worms. Preventive measures include improving sanitation and hygiene, avoiding contact with contaminated soil, and providing safe drinking water.
Ascaris is a genus of roundworms that commonly infect humans and other animals. The most common species is Ascaris lumbricoides, which is also known as the large roundworm or the intestinal roundworm. Ascaris infections are one of the most common parasitic infections worldwide, particularly in developing countries. In humans, Ascaris infections are typically acquired through ingestion of contaminated soil or food. The eggs hatch in the small intestine and the larvae migrate through the body, causing damage to various organs and tissues. Infection can cause symptoms such as abdominal pain, diarrhea, nausea, vomiting, and weight loss. In severe cases, it can lead to malnutrition, anemia, and even death. Ascaris infections can be diagnosed through stool examination, and treatment typically involves the use of anthelmintic drugs to kill the worms. Prevention measures include improved sanitation and hygiene practices, such as handwashing and proper disposal of human waste.
Mebendazole is an antihelminthic medication used to treat various types of parasitic infections, including roundworms, tapeworms, and hookworms. It works by interfering with the metabolism of the parasites, leading to their death. Mebendazole is available in various forms, including tablets, capsules, and chewable tablets, and is typically taken orally. It is generally well-tolerated, but side effects may include nausea, abdominal pain, and diarrhea.
Strongyloidiasis is a parasitic infection caused by the nematode (roundworm) Strongyloides stercoralis. The parasite is transmitted through contact with soil contaminated with the larvae of the worm. The infection is most common in tropical and subtropical regions, but it can also occur in temperate regions with warm, humid conditions. Strongyloidiasis can be asymptomatic or cause a range of symptoms, including cough, wheezing, abdominal pain, diarrhea, nausea, vomiting, and skin rash. In some cases, the infection can become chronic and cause serious complications, such as hyperinfection, disseminated strongyloidiasis, and eosinophilic meningitis. Diagnosis of strongyloidiasis is typically made through a combination of clinical symptoms, laboratory tests, and imaging studies. Treatment typically involves the use of antiparasitic medications, such as ivermectin or albendazole, to kill the worms and prevent further infection. In cases of severe or complicated strongyloidiasis, hospitalization and supportive care may be necessary.
Antiparasitic agents are medications or substances that are used to treat or prevent parasitic infections. Parasites are organisms that live on or inside a host organism and obtain nutrients from it. Examples of parasites include protozoa, helminths (worms), and arthropods (such as lice and ticks). Antiparasitic agents can be used to treat a wide range of parasitic infections, including malaria, schistosomiasis, leishmaniasis, giardiasis, and trichomoniasis. They work by targeting specific aspects of the parasite's biology, such as its ability to reproduce or its ability to evade the host's immune system. There are several different classes of antiparasitic agents, including: * Antiprotozoal agents: These are used to treat infections caused by protozoa, such as malaria and giardiasis. * Antihelminthic agents: These are used to treat infections caused by helminths, such as roundworms and tapeworms. * Antiparasitic insecticides: These are used to control the spread of parasitic insects, such as lice and ticks. Antiparasitic agents can be administered in a variety of ways, including orally, topically, or by injection. Some antiparasitic agents are available over-the-counter, while others require a prescription from a healthcare provider. It is important to follow the instructions provided by your healthcare provider when taking antiparasitic agents, as they can have side effects and may interact with other medications.
Trichinellosis is a parasitic infection caused by the roundworm Trichinella spiralis. The infection occurs when people consume raw or undercooked meat, particularly pork, that is contaminated with the larvae of the parasite. The larvae can then migrate to the muscles of the body, where they can cause inflammation and damage to the tissue. Symptoms of trichinellosis can include fever, muscle pain, nausea, vomiting, and diarrhea. In severe cases, the infection can lead to more serious complications, such as inflammation of the heart and brain. Treatment typically involves the use of medications to kill the parasites and manage symptoms. Prevention of trichinellosis involves proper cooking of meat to ensure that it is thoroughly cooked and free of parasites.
Ancylostoma is a genus of nematode worms that are commonly known as hookworms. These worms are found in the intestines of humans and other animals, where they feed on blood. There are several species of Ancylostoma, including Ancylostoma duodenale and Ancylostoma ceylanicum, which are found in different parts of the world. Hookworm infections are common in many tropical and subtropical regions, and they can cause a range of symptoms, including anemia, abdominal pain, and diarrhea. Treatment typically involves the use of antihelminthic drugs to kill the worms.
Praziquantel is an antiparasitic medication used to treat a variety of parasitic infections, including schistosomiasis (bilharzia), tapeworm infections, and liver fluke infections. It works by interfering with the metabolism of the parasites, leading to their death. Praziquantel is available in oral tablet form and is typically given as a single dose. It is considered safe and effective for most people, although it may cause side effects such as nausea, vomiting, and abdominal pain.
"Ascaris suum" is a species of roundworm that commonly infects pigs. It is also known as the swine roundworm or pig roundworm. Infection with "A. suum" can cause a range of health problems in pigs, including diarrhea, weight loss, and reduced growth rate. In humans, infection with "A. suum" is relatively uncommon and typically occurs through ingestion of contaminated food or water. Symptoms of human infection may include abdominal pain, diarrhea, and nausea. Treatment for "A. suum" infection in humans typically involves the use of anthelmintic drugs to kill the worms.
In the medical field, coinfection refers to the simultaneous presence of two or more infections in an individual's body. These infections can be caused by different types of microorganisms, such as bacteria, viruses, fungi, or parasites. Coinfections can occur when an individual is already infected with one pathogen and then becomes infected with another pathogen, or when two or more pathogens enter the body at the same time. Coinfections can complicate the diagnosis and treatment of infections because the symptoms of one infection may mask or overlap with the symptoms of another infection. In some cases, coinfections can also increase the severity of the illness and the risk of complications. For example, coinfection with HIV and tuberculosis can increase the risk of death from tuberculosis. Doctors may use diagnostic tests to identify coinfections, such as blood tests, cultures, or imaging studies. Treatment for coinfections typically involves treating each infection separately, using antibiotics or antiviral medications as appropriate. In some cases, doctors may also prescribe medications to prevent the spread of infection or to manage symptoms.
Taeniasis is a parasitic infection caused by tapeworms of the genus Taenia. The most common species that cause taeniasis in humans are Taenia saginata (beef tapeworm), Taenia solium (pork tapeworm), and Taenia asiatica (Asian tapeworm). Taeniasis is typically transmitted through the ingestion of undercooked or raw meat containing tapeworm eggs or cysts. The eggs hatch in the small intestine and the larvae migrate to the muscles, where they develop into adult tapeworms. Symptoms of taeniasis may include abdominal pain, diarrhea, nausea, and weight loss. In severe cases, the tapeworms can cause blockages in the intestines or migrate to other parts of the body, such as the brain or eyes. Diagnosis of taeniasis is usually made through stool examination, which can detect tapeworm eggs or segments. Treatment typically involves the use of anti-parasitic medications, such as praziquantel or niclosamide, to kill the tapeworms. Prevention measures include proper cooking and handling of meat, as well as avoiding raw or undercooked meat products.
Fascioliasis is a parasitic infection caused by the liver fluke, Fasciola hepatica. The infection occurs when the fluke larvae, which are released into the environment by infected snails, are ingested by humans or animals. The flukes then migrate to the liver and bile ducts, where they can cause damage and inflammation. Symptoms of fascioliasis can include abdominal pain, fever, nausea, vomiting, diarrhea, and jaundice. In severe cases, the infection can lead to liver failure, cirrhosis, and even death. Fascioliasis is most common in rural areas where there is access to contaminated water or food sources. It is also found in some parts of Asia, Africa, South America, and Europe. Treatment typically involves the use of antiparasitic drugs to kill the flukes and alleviate symptoms. Prevention measures include avoiding contaminated water and food sources, and proper sanitation practices.
Immunoglobulin E (IgE) is a type of antibody that plays a key role in the immune system's response to allergens and parasites. It is produced by B cells in response to specific antigens, such as those found in pollen, dust mites, or certain foods. When an allergen enters the body, it triggers the production of IgE antibodies by B cells. These antibodies then bind to mast cells and basophils, which are immune cells that are involved in the inflammatory response. When the same allergen enters the body again, the IgE antibodies on the mast cells and basophils bind to the allergen and cause the release of histamine and other inflammatory chemicals. This leads to symptoms such as itching, swelling, and difficulty breathing. IgE is also involved in the immune response to parasites, such as worms. In this case, the IgE antibodies help to trap and kill the parasites by binding to them and marking them for destruction by other immune cells. Overall, IgE is an important part of the immune system's defense against allergens and parasites, but it can also contribute to allergic reactions and other inflammatory conditions when it binds to inappropriate antigens.
Côte d'Ivoire, also known as Ivory Coast, is a country located in West Africa. In the medical field, Côte d'Ivoire is known for its high prevalence of certain diseases, including malaria, HIV/AIDS, and tuberculosis. The country also has a high maternal and child mortality rate, with many women and children dying from preventable or treatable conditions. In recent years, the government of Côte d'Ivoire has made efforts to improve access to healthcare and to address these health challenges, but significant challenges remain.
Mansonelliasis is a parasitic infection caused by various species of the genus Mansonella, which are transmitted to humans through the bite of infected mosquitoes. The most common species associated with human infection is Mansonella ozzardi. Symptoms of Mansonelliasis can vary depending on the species of the parasite and the severity of the infection. Common symptoms include fever, headache, muscle aches, joint pain, and skin rash. In some cases, the infection can cause more serious complications, such as inflammation of the heart or nervous system. Diagnosis of Mansonelliasis typically involves a combination of clinical examination, laboratory testing, and imaging studies. Treatment typically involves the use of antiparasitic medications, such as ivermectin or doxycycline. Mansonelliasis is most commonly found in tropical and subtropical regions of the world, particularly in Central and South America, Africa, and Asia. It is considered a neglected tropical disease, meaning that it is often overlooked or underfunded by public health organizations.
Echinostomiasis is a parasitic infection caused by the ingestion of eggs or larvae of certain species of flatworms belonging to the genus Echinostoma. The infection is most commonly found in Asia, Africa, and South America, and is transmitted through contaminated food or water. The most common symptoms of echinostomiasis include abdominal pain, diarrhea, nausea, vomiting, and weight loss. In severe cases, the infection can cause liver damage, jaundice, and even death. Diagnosis of echinostomiasis is typically made through stool examination, which can detect the eggs or larvae of the parasite. Treatment typically involves the use of antiparasitic medications, such as praziquantel or albendazole, to kill the parasites and alleviate symptoms. In some cases, surgery may be necessary to remove any damaged organs.
Toxocariasis is a parasitic infection caused by the roundworm Toxocara canis or Toxocara cati. These parasites are commonly found in the feces of infected dogs and cats, and can be transmitted to humans through contact with contaminated soil or surfaces. The infection can occur in both humans and animals, but it is more common in children. In humans, the infection can cause a range of symptoms, including fever, cough, abdominal pain, and skin rashes. In severe cases, it can lead to vision problems, seizures, and even death. Toxocariasis is typically diagnosed through blood tests or stool samples. Treatment may involve the use of antiparasitic medications, although in some cases, the infection may resolve on its own. Prevention measures include avoiding contact with soil or surfaces that may be contaminated with dog or cat feces, and ensuring that pets are regularly dewormed.
Basophils are a type of white blood cell that play a role in the immune system. They are characterized by their large, dark-staining granules in the cytoplasm and are one of the five types of granulocytes. Basophils are involved in the inflammatory response and are particularly important in the defense against parasites. They release histamine and other inflammatory mediators in response to allergens or other stimuli, which can cause symptoms such as itching, swelling, and redness. Basophils are also involved in the production of antibodies and the regulation of the immune response.
Parasitic diseases in animals refer to infections caused by parasites, which are organisms that live on or inside a host organism and obtain nutrients at the host's expense. These parasites can be protozoa, helminths (worms), or arthropods such as ticks and fleas. Parasitic diseases in animals can have a significant impact on animal health and welfare, as well as on human health if the parasites are zoonotic (able to be transmitted from animals to humans). Examples of parasitic diseases in animals include: - Toxoplasmosis, caused by the protozoan Toxoplasma gondii, which can infect a wide range of animals including cats, dogs, livestock, and wildlife. - Roundworm infections, caused by various species of helminths such as Toxocara canis and Toxascaris leonina, which can infect dogs and cats and can be transmitted to humans. - Tapeworm infections, caused by various species of tapeworms such as Dipylidium caninum and Taenia solium, which can infect dogs, cats, and humans. - Flea-borne diseases, such as plague and typhus, which are caused by bacteria transmitted by fleas that feed on infected animals. Treatment of parasitic diseases in animals typically involves the use of antiparasitic drugs, although in some cases, prevention through vaccination or other measures may be more effective. It is important for veterinarians and animal owners to be aware of the risks of parasitic diseases in animals and to take appropriate measures to prevent and control them.
Antinematodal agents are medications that are used to treat parasitic worms, also known as nematodes. These agents work by either killing the worms or preventing their growth and reproduction. They are commonly used to treat infections caused by roundworms, hookworms, and whipworms, which are some of the most common types of parasitic worms that affect humans. Antinematodal agents can be administered orally or topically, depending on the specific worm infection and the severity of the infection. Some examples of antinematodal agents include albendazole, mebendazole, ivermectin, and pyrantel pamoate.
Amoebozoa is a group of single-celled organisms that belong to the kingdom Protista. They are characterized by their ability to move using pseudopodia, which are temporary extensions of the cell membrane that allow them to change shape and move in different directions. In the medical field, Amoebozoa are known to cause a variety of infections in humans and animals. Some species of Amoebozoa, such as Entamoeba histolytica, can cause amoebic dysentery, which is a type of diarrhea that can be life-threatening if left untreated. Other species, such as Acanthamoeba, can cause infections of the eyes, brain, and lungs. In addition to their medical significance, Amoebozoa are also important in the study of evolution and cell biology, as they are one of the oldest groups of eukaryotic organisms and have a unique mode of cell division called binary fission.
Schistosomiasis haematobia, also known as "cutaneous schistosomiasis" or "snail fever," is a parasitic infection caused by the blood fluke Schistosoma haematobium. The infection occurs when the parasite's eggs are released in the urine and hatch into larvae, which then penetrate the skin of the host. The larvae migrate through the bloodstream and lymphatic system, causing inflammation and damage to organs and tissues. The most common symptoms of schistosomiasis haematobia include fever, chills, headache, muscle aches, and fatigue. In severe cases, the infection can lead to anemia, kidney damage, and bladder cancer. The disease is most prevalent in sub-Saharan Africa, but it can also occur in other parts of the world, including the Middle East, South Asia, and South America. Treatment for schistosomiasis haematobia typically involves the use of antiparasitic drugs, such as praziquantel, to kill the parasites and their eggs. In some cases, surgery may be necessary to remove damaged organs or tissues. Prevention measures include avoiding contact with contaminated water sources and wearing protective clothing when swimming or bathing in potentially infected areas.
Neglected Diseases are a group of infectious diseases that disproportionately affect people living in low-income countries. These diseases are often overlooked by governments and international organizations due to their limited economic impact and lack of political visibility. Neglected Diseases include diseases such as Chagas disease, Leishmaniasis, Leprosy, Guinea worm disease, and many others. These diseases can cause significant morbidity and mortality, particularly in children and pregnant women, and can also have long-term social and economic consequences for affected communities. Efforts to control and eliminate Neglected Diseases often require significant investment in research, diagnosis, treatment, and prevention, as well as collaboration between governments, non-governmental organizations, and the private sector.
Ivermectin is an antiparasitic medication that is commonly used to treat a variety of parasitic infections, including river blindness, scabies, and lice. It works by paralyzing and killing parasites, which are then expelled from the body. In recent years, ivermectin has also been studied for its potential use in treating COVID-19, although the evidence for its effectiveness in this context is limited and controversial.
Methyl Green is a dye that is commonly used in the medical field for staining and differentiating various types of cells and tissues. It is a basic dye that stains acidic structures such as nuclei, mitochondria, and lysosomes green. In histology, Methyl Green is often used in combination with other stains, such as eosin, to create a differential stain that allows for the visualization of different cell types and structures. It is also used in microbiology to stain bacteria and other microorganisms. In addition to its use in staining, Methyl Green has also been used as an antiseptic and disinfectant in the past, although its use for this purpose has largely been replaced by other, safer agents.
Ancylostomiasis is a type of parasitic infection caused by the nematode worm Ancylostoma duodenale or Necator americanus. These worms are commonly found in soil contaminated with human feces, and they can infect humans through skin contact with the contaminated soil or ingestion of contaminated food or water. The worms migrate through the host's digestive system and attach themselves to the walls of the small intestine. They feed on blood, causing anemia and other symptoms such as abdominal pain, diarrhea, and weight loss. In severe cases, the infection can lead to malnutrition, growth retardation, and even death, especially in children. Ancylostomiasis is most common in tropical and subtropical regions, but it can also occur in temperate regions with poor sanitation and hygiene. Treatment typically involves the use of anthelmintic drugs to kill the worms, along with supportive care to manage symptoms and prevent complications. Prevention measures include improved sanitation and hygiene, safe disposal of human waste, and avoiding contact with contaminated soil.
Interleukin-4 (IL-4) is a type of cytokine, which is a signaling molecule that plays a crucial role in regulating the immune system. IL-4 is primarily produced by T-helper 2 (Th2) cells, which are a type of immune cell that helps to fight off parasitic infections and allergies. IL-4 has several important functions in the immune system. It promotes the differentiation of Th2 cells and stimulates the production of other Th2 cytokines, such as IL-5 and IL-13. IL-4 also promotes the activation and proliferation of B cells, which are responsible for producing antibodies. Additionally, IL-4 has anti-inflammatory effects and can help to suppress the activity of T-helper 1 (Th1) cells, which are involved in fighting off bacterial and viral infections. In the medical field, IL-4 is being studied for its potential therapeutic applications. For example, it is being investigated as a treatment for allergies, asthma, and certain autoimmune diseases. IL-4 is also being studied as a potential cancer immunotherapy, as it can help to activate immune cells that can recognize and attack cancer cells.
Elephantiasis, also known as filarial elephantiasis, is a tropical disease caused by the filarial parasite Wuchereria bancrofti. It is characterized by the enlargement of the lymphatic system, particularly the legs, arms, and genitals, leading to thickening and hardening of the skin and tissue. Elephantiasis can also cause lymphedema, which is the accumulation of fluid in the affected areas, leading to swelling and discomfort. The disease is most commonly found in tropical and subtropical regions, particularly in Africa, Asia, and the Pacific Islands. Elephantiasis is preventable through the use of insecticide-treated bed nets and mass drug administration programs. Treatment options include surgical procedures to remove excess skin and tissue, as well as medications to kill the filarial parasite.
Ascaridida is a subclass of nematodes, which are roundworms, that includes several species of intestinal parasites that can cause human and animal infections. The most common species of ascaridids that affect humans are Ascaris lumbricoides and Toxocara canis. Ascaris lumbricoides is a large intestinal roundworm that can cause ascariasis, a common parasitic infection that affects millions of people worldwide, particularly in developing countries. The symptoms of ascariasis can include abdominal pain, diarrhea, nausea, and vomiting. In severe cases, the worms can migrate to the lungs, causing coughing and difficulty breathing. Toxocara canis is a roundworm that can cause toxocariasis, a parasitic infection that is most commonly found in dogs but can also affect humans. The eggs of Toxocara canis can be transmitted to humans through contact with contaminated soil or surfaces, and the larvae can migrate to various organs in the body, including the brain, lungs, and eyes. Symptoms of toxocariasis can include fever, coughing, and eye inflammation. Treatment for ascaridida infections typically involves the use of anthelmintic drugs, which are medications that kill or expel the worms from the body. Prevention measures include proper hygiene, avoiding contact with contaminated soil or surfaces, and regular deworming of pets.
Pregnancy complications related to parasites refer to health problems that occur during pregnancy as a result of infections caused by parasites. These infections can be transmitted from the mother to the fetus, leading to complications for both the mother and the baby. Some common parasites that can cause pregnancy complications include: 1. Toxoplasmosis: This is caused by the parasite Toxoplasma gondii and can be transmitted to the fetus through the placenta. It can cause miscarriage, stillbirth, or birth defects such as hydrocephalus, brain damage, and vision problems. 2. Malaria: This is caused by the Plasmodium parasite and is transmitted through the bite of an infected mosquito. It can cause anemia, low birth weight, and preterm birth. 3. Chagas disease: This is caused by the Trypanosoma cruzi parasite and is transmitted through the feces of infected triatomine bugs. It can cause miscarriage, stillbirth, and birth defects such as heart problems. 4. Schistosomiasis: This is caused by the Schistosoma parasite and is transmitted through contact with contaminated water. It can cause anemia, low birth weight, and preterm birth. 5. Leishmaniasis: This is caused by the Leishmania parasite and is transmitted through the bite of an infected sandfly. It can cause miscarriage, stillbirth, and birth defects such as hydrocephalus. Prompt diagnosis and treatment of these infections are crucial to prevent complications for both the mother and the baby.
Onchocerciasis, also known as river blindness, is a parasitic disease caused by the nematode Onchocerca volvulus. It is transmitted to humans through the bite of infected blackflies, which breed in fast-flowing, clear rivers and streams in tropical and subtropical regions of Africa, Latin America, and Yemen. The disease primarily affects the eyes, causing severe itching, redness, and swelling, and can lead to blindness if left untreated. It can also cause skin lesions, nodules, and hair loss. In severe cases, it can lead to blindness, which is why it is also known as "river blindness." Onchocerciasis is preventable and treatable. The main method of prevention is the use of insecticide-treated bed nets and the distribution of ivermectin, a medication that kills the parasite. Treatment can help to alleviate symptoms and prevent complications, but it cannot reverse existing damage to the eyes.
Rostellum (helminth)
Helminth protein
Tegument (helminth)
Helminthiasis
Taenia saginata
Taeniasis
Necatoriasis
Dactylostomum
Schistosoma intercalatum
Deworming
Gigantorhynchus
Hygiene hypothesis
Habronema
Ancylostoma duodenale
Effects of parasitic worms on the immune system
Le Règne Animal
Elaeophora sagitta
Mass deworming
Indicator organism
Paropecoelus
Impala
Pseudopecoeloides
Geophagia
Parasitic worm
Johannes Fibiger
Coitocaecum
Helminthotheca echioides
Nanophyetus
Diphtherophorina
Trichodoridae
CDC - Soil-transmitted Helminths
Helminths, Soil-Transmitted | CDC Yellow Book 2024
Helminth Infections in Neonates and Young Children
Biome Restoration...Helminths - PANS / PANDAS (Lyme included) - ACN Latitudes Forums
Molecular Insights for Giardia, Cryptosporidium, and Soil-Transmitted Helminths from a Facility-Based Surveillance System in...
"Arthropod and Helminth Parasites from the Plains Pocket Gopher, <i>Geo" by Monroe H. Bartel and Scott Lyell...
WHO EMRO | Prevalence of helminth ova in soil samples from public places in Shiraz | Volume 12, issue 5 | EMHJ volume 12, 2006
Helminth infection eosinophilia omalizumab - Traducere în română - exemple în engleză | Reverso Context
TIMPs of parasitic helminths - a large-scale analysis of high-throughput sequence datasets | Parasites & Vectors | Full Text
BIO307: Microbiology (2018.A.01), Topic: Unit 7: Protozoa and Helminths | Saylor Academy
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Géohelminthiases | Global Atlas of Helminth Infections
Subash Babu, M.B.B.S., Ph.D. | NIH: National Institute of Allergy and Infectious Diseases
Results of search for 'su:{Helminths.}'
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WHO HQ Library catalog
Thermostability of lytic heterophile antibodies from human sera infected with Schistosoma mansoni and geo-helminths. An immuno...
Immune Response to Parasitic Infections: Immunity to Helminths and Novel Therapeutic Approaches
Helminths adalah Hpv gyogyitas ferfiaknal - Kako se leci hpv vírus kod muskaraca
A helminth-derived suppressor of ST2 blocks allergic responses. - Immunology
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Items where Subject is "QX Parasitology | Helminths. Annelida | QX 442 Echinococcus" - LSTM Online Archive
Irradiated foods: MedlinePlus Medical Encyclopedia
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Filariasis Medication: Anthelminthics, Antibiotics
Infections12
- People with light soil-transmitted helminth infections usually have no symptoms. (cdc.gov)
- Soil-transmitted helminth infections are treatable with medication prescribed by your health care provider. (cdc.gov)
- Cite this: Helminth Infections in Neonates and Young Children - Medscape - Jun 25, 2014. (medscape.com)
- Prevalence of multi-gastrointestinal infections with helminth, protozoan and Campylobacter spp. (ajtmh.org)
- Our group works on the immunology, pathogenesis, and epidemiology of helminth infections (particularly filariasis, strongyloidiasis, and hookworms), TB, and coexistent infectious diseases (helminths/ viruses and TB). (nih.gov)
- In 2003, he was appointed as a staff scientist in the NIAID ICER program in India to continue helminth infections research work in collaboration with the Indian Council of Medical Research (ICMR). (nih.gov)
- Since 2006, he has served as the scientific director of NIAID ICER India and works on the epidemiology and immunology of infectious diseases prevalent in India, including helminth infections, TB, HIV, and COVID-19. (nih.gov)
- Maizels, RM & Hewitson, JP 2016, ' Myeloid Cell Phenotypes in Susceptibility and Resistance to Helminth Parasite Infections ', Microbiology spectrum , vol. 4, no. 6. (york.ac.uk)
- Association between helminth infections and diabetes mellitus in adults from the Lao People's Democratic Republic: a cross-sectional study. (bvsalud.org)
- The aim of this study was to investigate the co-occurrence of helminth infections and diabetes mellitus in adults in Lao People's Democratic Republic (Lao PDR). (bvsalud.org)
- Stool samples for helminth diagnosis were examined with formalin - ether concentration technique for intestinal parasitic infections . (bvsalud.org)
- Parasitic infections due to protozoa and helminths are responsible for substantial morbidity and mortality worldwide. (msdmanuals.com)
Soil-transmitted7
- Soil-transmitted helminth infection is found mainly in areas with warm and moist climates where sanitation and hygiene are poor, including in temperate zones during warmer months. (cdc.gov)
- Soil-transmitted helminths live in the intestine and their eggs are passed in the feces of infected persons. (cdc.gov)
- Hookworm, Ascaris , and whipworm are known as soil-transmitted helminths (parasitic worms). (cdc.gov)
- Due to the role of contaminated soil in their transmission, this group of nematode worms are known as soil-transmitted helminths (STH). (cdc.gov)
- Amongst these parasites, soil-transmitted helminths (STHs), including Ancylostoma duodenale and Necator americanus (hookworms), Ascaris sp. (biomedcentral.com)
- Control of soil-transmitted helminths / Paul C. Beaver. (who.int)
- Objective: Although soil-transmitted helminths (STH) are endemic in Solomon Islands, there are few recent reports on their prevalence. (who.int)
Parasites4
- This unit discusses protozoa and helminths, which are parasites. (saylor.org)
- This volume covers research on the interaction of major helminth parasites with the immune system. (benthambooks.com)
- The book concludes with a review of new therapeutic approaches to combat helminth parasites (biotherapy, vaccines and natural products). (benthambooks.com)
- Many major tropical diseases are caused by long-lived helminth parasites that are able to survive by modulation of the host immune system, including the innate compartment of myeloid cells. (york.ac.uk)
Response to helminth infection1
- Gill associated lymphoid tissue infiltrated the lamellar regions particularly in response to helminth infection. (edu.au)
Infection4
- Se cunosc mai multe cauze, cele mai frecvente fiind o formă helminth infection eosinophilia reacție alergică sau parazitoză. (malaimare.ro)
- Se estimează că peste un miliard de persoane sunt purtători de Trichuris pe toată planeta, inclusiv helminth infection eosinophilia mult de de milioane de copii de vârstă preșcolară și mai mult de de milioane de copii școlarizați de ani [25] [26]. (malaimare.ro)
- Diagnosis of eosinophilia is via a complete blood count, but diagnostic procedures directed at the underlying cause vary depending on helminth infection eosinophilia suspected condition. (malaimare.ro)
- The chapter posits that helminth diseases meet the World Health Organization's expanded definition of chronic conditions, and that integrated delivery of multiple interventions is needed to address the full range of risks and outcomes due to helminth infection. (johnshopkins.edu)
Prevalence3
- ABSTRACT To determine the prevalence of helminth eggs in public places and children's playgrounds, 112 soil samples were collected in 26 sites in Shiraz, southern Islamic Republic of Iran, during September 2002-September 2003. (who.int)
- As there is a large population of stray dogs and cats in Shiraz and no studies have been made on the extent of contamination of the environment with helminth eggs, this study was undertaken to determine the prevalence of helminth eggs in public places and playgrounds. (who.int)
- Prevalence and distribution of intestinal helminths and protozoans in Westmoreland Parish, Jamaica / John Craik Speed. (who.int)
Intestinal2
- Helminths (also known as parasitic worms) live inside their hosts, often in intestinal tracts, where they hijack their host's nutrient absorption pathway. (saylor.org)
- Bench aids for the diagnosis of intestinal helminths. (who.int)
Trichuris2
- Ascaris lumbricoides ( Ascaris or roundworm), Ancylostoma duodenale (hookworm), Necator americanus (hookworm), and Trichuris trichiura (whipworm) are helminths (parasitic worms) that infect the intestine. (cdc.gov)
- The thermostable characteristic of hemolysins in normal sera was not dependent on the presence of Ascaris lumbricoides, Trichuris trichiura or hookworm geo-helminths. (fiocruz.br)
Diabetes mellitus1
- Our group also works on the immunological and clinical outcomes of the interaction between diabetes mellitus (and other metabolic disorders) and TB, helminths (and other infectious diseases). (nih.gov)
Intestine1
- Mebendazole causes worm death by selective and irreversible blockade of uptake of glucose and other nutrients in a susceptible adult intestine where helminths dwell. (medscape.com)
Parasitology1
- Immunity to Helminths and Novel Therapeutic Approaches provides updated information for medical students, clinicians and researchers in the fields of parasitology, applied immunology and novel drug delivery. (benthambooks.com)
Vaccines2
- Given the limited knowledge of the molecular mechanisms linked to the development of drug resistance in parasitic helminths [ 16 ], as well as the unavailability of effective vaccines, much attention is now directed towards the identification of novel targets for intervention [ 7 , 17 ]. (biomedcentral.com)
- book Parasitic Helminths: Targets, Screens, Drugs and Vaccines 2012 How you need the Appendices number and be costs. (ftio.com)
Diseases4
- Currently, knowledge of helminth TIMPs is limited to a small number of studies on canine hookworms, whereas no information is available on the occurrence of TIMPs in other parasitic helminths causing neglected diseases. (biomedcentral.com)
- These include the discovery of a new category of lymphocytes, innate lymphoid cells, and the role of T helper cels such as Th1, Th2 and Th3 cells, T regulatory (Treg) and Th17 cells in helminth diseases and inflammation. (benthambooks.com)
- The balance between these two T cell subsets during the various stages of helminth diseases is also discussed. (benthambooks.com)
- The treatment of immune system diseases by deliberate infestation with helminths. (bvsalud.org)
Schistosoma1
- Thermostability of lytic heterophile antibodies from human sera infected with Schistosoma mansoni and geo-helminths. (fiocruz.br)
Multicellular1
- Helminths are multicellular and have complex organ systems. (msdmanuals.com)
Helminthiases1
- Supported by the availability of gene manipulation technologies such as RNA interference and/or transgenesis, this work provides a basis for future functional explorations of helminth TIMPs and, in particular, of their role/s in fundamental biological pathways linked to long-term establishment in the vertebrate hosts, with a view towards the development of novel approaches for the control of neglected helminthiases. (biomedcentral.com)
Organisms1
- There are four major types of human pathogenic organisms found in biosolids: (1) bacteria, (2) viruses, (3) protozoa, and (4) helminths (parasitic worms). (cdc.gov)
Eggs1
- Helminth eggs were recovered from 12 of the 112 soil samples. (who.int)
Therapeutics1
- A detailed understanding of the molecular biology of parasitic helminths, and in particular of the structure and function of key genes and gene products playing essential roles in host-parasite interactions, could provide a basis for the design of novel therapeutics. (biomedcentral.com)
Immune responses1
- The main focus of the e-book is the ability of helminths to subvert host immune responses, on the one hand. (benthambooks.com)
Allergic1
- A helminth-derived suppressor of ST2 blocks allergic responses. (ox.ac.uk)
Modulation1
- Among several groups of helminth molecules involved in the host-parasite interplay, protease inhibitors have been the subject of intense investigations due to their roles in a range of fundamental molecular processes, including regulation of host proteases and modulation of the host's immune response [ 18 ]. (biomedcentral.com)
Search1
- Results of search for 'su:{Helminths. (who.int)
Hosts1
- In parasitic helminths, such as hookworms, TIMPs have been proposed to play key roles in the host-parasite interplay, including invasion of and establishment in the vertebrate animal hosts. (biomedcentral.com)
Control1
- Social science perspectives can inform helminth disease control in Southeast Asia. (johnshopkins.edu)
Book7
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