The number of RED BLOOD CELLS per unit volume in a sample of venous BLOOD.
Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN.
The volume of packed RED BLOOD CELLS in a blood specimen. The volume is measured by centrifugation in a tube with graduated markings, or with automated blood cell counters. It is an indicator of erythrocyte status in disease. For example, ANEMIA shows a low value; POLYCYTHEMIA, a high value.
Tests used in the analysis of the hemic system.
The number of LEUKOCYTES and ERYTHROCYTES per unit volume in a sample of venous BLOOD. A complete blood count (CBC) also includes measurement of the HEMOGLOBIN; HEMATOCRIT; and ERYTHROCYTE INDICES.
The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements.
The semi-permeable outer structure of a red blood cell. It is known as a red cell 'ghost' after HEMOLYSIS.
The number of WHITE BLOOD CELLS per unit volume in venous BLOOD. A differential leukocyte count measures the relative numbers of the different types of white cells.
The senescence of RED BLOOD CELLS. Lacking the organelles that make protein synthesis possible, the mature erythrocyte is incapable of self-repair, reproduction, and carrying out certain functions performed by other cells. This limits the average life span of an erythrocyte to 120 days.
Ability of ERYTHROCYTES to change shape as they pass through narrow spaces, such as the microvasculature.
A major integral transmembrane protein of the ERYTHROCYTE MEMBRANE. It is the anion exchanger responsible for electroneutral transporting in CHLORIDE IONS in exchange of BICARBONATE IONS allowing CO2 uptake and transport from tissues to lungs by the red blood cells. Genetic mutations that result in a loss of the protein function have been associated with type 4 HEREDITARY SPHEROCYTOSIS.
The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity.
The number of PLATELETS per unit volume in a sample of venous BLOOD.
The number of CD4-POSITIVE T-LYMPHOCYTES per unit volume of BLOOD. Determination requires the use of a fluorescence-activated flow cytometer.
The formation of clumps of RED BLOOD CELLS under low or non-flow conditions, resulting from the attraction forces between the red blood cells. The cells adhere to each other in rouleaux aggregates. Slight mechanical force, such as occurs in the circulation, is enough to disperse these aggregates. Stronger or weaker than normal aggregation may result from a variety of effects in the ERYTHROCYTE MEMBRANE or in BLOOD PLASMA. The degree of aggregation is affected by ERYTHROCYTE DEFORMABILITY, erythrocyte membrane sialylation, masking of negative surface charge by plasma proteins, etc. BLOOD VISCOSITY and the ERYTHROCYTE SEDIMENTATION RATE are affected by the amount of erythrocyte aggregation and are parameters used to measure the aggregation.

Infleuce of dietary levels of vitamin E and selenium on tissue and blood parameters in pigs. (1/796)

Eighteen barrows approximately three weeks of age were used in a 3 X 3 factorial arrangement to investigate the effect of level of supplemental vitamin E and selenium on tissue and blood parameters. Tissue selenium concentrations increased in a quadratic manner with increased selenium intake with kidney tissue containing considerably greater concentrations than liver, heart or muscle. Supplementation of the diet caused a three-fold increase in serum selenium within the first week with a slight tendency to further increases in subsequent weeks. Serum vitamin E of unsupplemented pigs declined by fifty percent during the experiment, whereas supplemental vitamin E resulted in increased serum vitamin E. There was a considerable viration in percent peroxide hemolysis. Correlation of -0.63 between percent peroxide hemolysis and vitamin E intake and -0.85 between percent peroxide hemolysis and serum vitamin E were observed.  (+info)

Sustained induction of fetal hemoglobin by pulse butyrate therapy in sickle cell disease. (2/796)

High levels of fetal hemoglobin (Hb F) protect from many of the complications of sickle cell disease and lead to improved survival. Butyrate and other short chain fatty acids were previously shown to increase Hb F production in erythroid cells in vitro and in animal models in vivo. However, butyrates are also known to inhibit the proliferation of many cell types, including erythroid cells. Experience with the use of butyrate in animal models and in early clinical trials demonstrated that the Hb F response may be lost after prolonged administration of high doses of butyrate. We hypothesized that this loss of response may be a result of the antiproliferative effects of butyrate. We designed a regimen consisting of intermittent or pulse therapy in which butyrate was administered for 4 days followed by 10 to 24 days with no drug exposure. This pulse regimen induced fetal globin gene expression in 9 of 11 patients. The mean Hb F in this group increased from 7.2% to 21.0% (P <.002) after intermittent butyrate therapy for a mean duration of 29.9 weeks. This was associated with a parallel increase in the number of F cells and F reticulocytes. The total hemoglobin levels also increased from a mean of 7.8 g/dL to a mean of 8.8 g/dL (P <.006). The increased levels of Hb F were sustained in all responders, including 1 patient who has been on pulse butyrate therapy for more than 28 months. This regimen, which resulted in a marked and sustained increase in Hb F levels in more than two thirds of the adult sickle cell patients enrolled in this study, was well tolerated without adverse side effects. These encouraging results require confirmation along with an appropriate evaluation of clinical outcomes in a larger number of patients with sickle cell disease.  (+info)

Neutrophil activation and hemostatic changes in healthy donors receiving granulocyte colony-stimulating factor. (3/796)

Granulocyte colony-stimulating factor (G-CSF) enhances neutrophil functions in vitro and in vivo. It is known that neutrophil-derived products can alter the hemostatic balance. To understand whether polymorphonuclear leukocyte (PMN) activation, measured as PMN degranulation and phenotypical change, may be associated to hemostatic alterations in vivo, we have studied the effect of recombinant human G-CSF (rHuG-CSF) administration on leukocyte parameters and hemostatic variables in healthy donors of hematopoietic progenitor cells (HPCs). Twenty-six consecutive healthy donors receiving 10 micrograms/kg/d rHuG-CSF subcutaneously for 5 to 7 days to mobilize HPCs for allogeneic transplants were included in the study. All of them responded to rHuG-CSF with a significant white blood cell count increase. Blood samples were drawn before therapy on days 2 and 5 and 1 week after stopping rHuG-CSF treatment. The following parameters were evaluated: (1) PMN activation parameters, ie, surface CD11b/CD18 antigen expression, plasma elastase antigen levels and cellular elastase activity; (2) plasma markers of endothelium activation, ie, thrombomodulin (TM) and von Willebrand factor (vWF) antigens; (3) plasma markers of blood coagulation activation, ie, F1+2, TAT complex, D-dimer; and (4) mononuclear cell (MNC) procoagulant activity (PCA) expression. The results show that, after starting rHuG-CSF, an in vivo PMN activation occurred, as demonstrated by the significant increment of surface CD11b/CD18 and plasma elastase antigen levels. Moreover, PMN cellular elastase activity, which was significantly increased at 1 day of treatment, returned to baseline at day 5 to 6, in correspondence with the elastase antigen peak in the circulation. This change was accompanied by a parallel significant increase in plasma levels of the two endothelial and the three coagulation markers. The PCA generated in vitro by unstimulated MNC isolated from rHuG-CSF-treated subjects was not different from that of control cells from untreated subjects. However, endotoxin-stimulated MNC isolated from on-treatment individuals produced significantly more PCA compared with both baseline and control samples. All of the parameters were decreased or normal 1 week after stopping treatment. These data show that rHuG-CSF induces PMN activation and transiently affects some hemostatic variables in healthy HPC donor subjects. The clinical significance of these findings remains to be established.  (+info)

Betamethasone-mediated vascular dysfunction and changes in hematological profile in the ovine fetus. (4/796)

Glucocorticoid administration to fetal sheep induces a sustained systemic blood pressure rise and an associated increase in femoral vascular resistance. We utilized a small vessel myograph to compare isometric vascular responses of small femoral arterial branches from fetal sheep infused intravenously with either betamethasone or vehicle in vivo from 128 days gestation. Changes in hematological parameters were also determined. Betamethasone was infused for 48 h to produce fetal plasma betamethasone concentrations similar to those observed in human fetuses after maternal treatment with betamethasone to accelerate fetal lung maturation. When compared with vessels removed from vehicle-infused fetuses, vessels obtained from betamethasone-treated fetuses exhibited 1) enhanced sensitivity to depolarizing potassium solutions; 2) no differences in response to the thromboxane mimetic U-46619 or norepinephrine; and 3) differential responses to vasodilators, enhanced sensitivity to ACh, but decreased response to bradykinin and forskolin. In addition, erythrocyte and leukocyte counts were increased in betamethasone-infused fetuses. These observations indicate that multiple mechanisms operate to increase fetal vascular resistance during antenatal betamethasone exposure.  (+info)

Prevention of transfusion-associated graft-versus-host disease by photochemical treatment. (5/796)

Photochemical treatment (PCT) with the psoralen S-59 and long wavelength ultraviolet light (UVA) inactivates high titers of contaminating viruses, bacteria, and leukocytes in human platelet concentrates. The present study evaluated the efficacy of PCT to prevent transfusion-associated graft-versus-host disease (TA-GVHD) in vivo using a well-characterized parent to F1 murine transfusion model. Recipient mice in four treatment groups were transfused with 10(8) splenic leukocytes. (1) Control group mice received syngeneic splenic leukocyte transfusions; (2) GVHD group mice received untreated allogeneic splenic leukocytes; (3) gamma radiation group mice received gamma irradiated (2,500 cGy) allogeneic splenic leukocytes; and (4) PCT group mice received allogeneic splenic leukocytes treated with 150 micromol/L S-59 and 2.1 J/cm2 UVA. Multiple biological and clinical parameters were used to monitor the development of TA-GVHD in recipient mice over a 10-week posttransfusion observation period: peripheral blood cell levels, spleen size, engraftment by donor T cells, thymic cellularity, clinical signs of TA-GVHD (weight loss, activity, posture, fur texture, skin integrity), and histologic lesions of liver, spleen, bone marrow, and skin. Mice in the control group remained healthy and free of detectable disease. Mice in the GVHD group developed clinical and histological lesions of TA-GVHD, including pancytopenia, marked splenomegaly, wasting, engraftment with donor derived T cells, and thymic hypoplasia. In contrast, mice transfused with splenic leukocytes treated with (2,500 cGy) gamma radiation or 150 micromol/L S-59 and 2.1 J/cm2 UVA remained healthy and did not develop detectable TA-GVHD. Using an in vitro T-cell proliferation assay, greater than 10(5.1) murine T cells were inactivated by PCT. Therefore, in addition to inactivating high levels of pathogenic viruses and bacteria in PC, these data indicate that PCT is an effective alternative to gamma irradiation for prevention of TA-GVHD.  (+info)

Immunohematological reference ranges for adult Ethiopians. (6/796)

A cross-sectional survey was carried out with 485 healthy working adult Ethiopians who are participating in a cohort study on the progression of human immunodeficiency virus type 1 (HIV-1) infection to establish hematological reference ranges for adult HIV-negative Ethiopians. In addition, enumeration of absolute numbers and percentages of leukocyte subsets was performed for 142 randomly selected HIV-negative individuals. Immunological results were compared to those of 1,356 healthy HIV-negative Dutch blood donor controls. Immunohematological mean values, medians, and 95th percentile reference ranges were established. Mean values were as follows: leukocyte (WBC) counts, 6.1 x 10(9)/liter (both genders); erythrocyte counts, 5.1 x 10(12)/liter (males) and 4.5 x 10(12)/liter (females); hemoglobin, 16.1 (male) and 14.3 (female) g/dl; hematocrit, 48.3% (male) and 42.0% (female); platelets, 205 x 10(9)/liter (both genders); monocytes, 343/microl; granulocytes, 3, 057/microl; lymphocytes, 1,857/microl; CD4 T cells, 775/microl; CD8 T cells, 747/microl; CD4/CD8 T-cell ratio, 1.2; T cells, 1, 555/microl; B cells, 191/microl; and NK cells, 250/microl. The major conclusions follow. (i) The WBC and platelet values of healthy HIV-negative Ethiopians are lower than the adopted reference values of Ethiopia. (ii) The absolute CD4 T-cell counts of healthy HIV-negative Ethiopians are considerably lower than those of the Dutch controls, while the opposite is true for the absolute CD8 T-cell counts. This results in a significantly reduced CD4/CD8 T-cell ratio for healthy Ethiopians, compared to the ratio for Dutch controls.  (+info)

Oxidative modification of lipids and proteins in aniline-induced splenic toxicity. (7/796)

Our earlier studies with aniline suggested the involvement of oxidative stress as an early toxic event in the spleen. In order to understand the status and consequences of the damaging oxidative reactions, especially during the progression of characteristic splenic lesions, time-dependent subchronic studies were conducted in rats. Male Sprague-Dawley rats were treated with 65 mg/kg/day aniline in the drinking water, while control rats received drinking water only. The animals were euthanized after 1, 2, or 3 months of aniline exposure. Total iron content was remarkably greater in the aniline-treated rats than in age-matched controls. There were time-dependent increases in splenic lipid peroxidation of aniline-treated rats. Malondialdehyde-protein adducts were quantitated by a competitive ELISA and showed greater concentrations in the spleens of aniline-treated rats, further substantiating our lipid peroxidation results. Protein oxidation in the spleens of aniline-treated rats was also greater, with a maximum increase of approximately 76% at 3 months. Western blot analysis for oxidized proteins showed two distinct protein bands at approximately 114 kD and approximately 69 kD in both post-nuclear and mitochondrial fractions of the spleens. Furthermore, densitometric analysis of the blot showed increased band intensities of the oxidized proteins in both these spleen fractions from aniline-treated rats, suggesting the susceptibility of these proteins to aniline-induced oxidative stress. The most prominent morphological changes in the spleens of aniline-treated rats included thickening of the capsule, and capsular cells with nuclear prominence and hyperchromia indicative of capsular hyperplasia. These capsular changes and fibrosis of capsule, splenic trabeculae, and red pulp were noted at all three time points after aniline exposure. Our studies thus suggest that aniline-induced oxidative stress in the spleen is an ongoing event that leads to oxidative modifications of biomolecules. Such oxidative modifications, directly or indirectly, could contribute to the splenic toxicity leading to deleterious consequences, including capsular hyperplasia and fibrosis, as observed in this study, and possibly tumorigenesis in chronic aniline exposure conditions.  (+info)

Selection for high and low virulence in the malaria parasite Plasmodium chabaudi. (8/796)

What stops parasites becoming ever more virulent? Conventional wisdom and most parasite-centred models of the evolution of virulence suppose that risk of host (and, hence, parasite) death imposes selection against more virulent strains. Here we selected for high and low virulence within each of two clones of the rodent malaria parasite Plasmodium chabaudi on the basis of between-host differences in a surrogate measure of virulence--loss of live weight post-infection. Despite imposing strong selection for low virulence which mimicked 50-75% host mortality, the low virulence lines increased in virulence as much as the high virulence lines. Thus, artificial selection on between-host differences in virulence was unable to counteract natural selection for increased virulence caused by within-host selection processes. The parasite's asexual replication rate and number of sexual transmission forms also increased in all lines, consistent with evolutionary models explaining high virulence. An upper bound to virulence, though not the asexual replication rate, was apparent, but this bound was not imposed by host mortality. Thus, we found evidence of the factors assumed to drive evolution of increased virulence, but not those thought to counter this selection.  (+info)

Erythrocyte count, also known as red blood cell (RBC) count, is a laboratory test that measures the number of red blood cells in a sample of blood. Red blood cells are important because they carry oxygen from the lungs to the rest of the body. A low erythrocyte count may indicate anemia, while a high count may be a sign of certain medical conditions such as polycythemia. The normal range for erythrocyte count varies depending on a person's age, sex, and other factors.

Erythrocytes, also known as red blood cells (RBCs), are the most common type of blood cell in circulating blood in mammals. They are responsible for transporting oxygen from the lungs to the body's tissues and carbon dioxide from the tissues to the lungs.

Erythrocytes are formed in the bone marrow and have a biconcave shape, which allows them to fold and bend easily as they pass through narrow blood vessels. They do not have a nucleus or mitochondria, which makes them more flexible but also limits their ability to reproduce or repair themselves.

In humans, erythrocytes are typically disc-shaped and measure about 7 micrometers in diameter. They contain the protein hemoglobin, which binds to oxygen and gives blood its red color. The lifespan of an erythrocyte is approximately 120 days, after which it is broken down in the liver and spleen.

Abnormalities in erythrocyte count or function can lead to various medical conditions, such as anemia, polycythemia, and sickle cell disease.

Hematocrit is a medical term that refers to the percentage of total blood volume that is made up of red blood cells. It is typically measured as part of a complete blood count (CBC) test. A high hematocrit may indicate conditions such as dehydration, polycythemia, or living at high altitudes, while a low hematocrit may be a sign of anemia, bleeding, or overhydration. It is important to note that hematocrit values can vary depending on factors such as age, gender, and pregnancy status.

Hematologic tests, also known as hematology tests, are a group of diagnostic exams that evaluate the health and function of different components of blood, such as red and white blood cells, platelets, and clotting factors. These tests can detect various disorders, including anemia, infection, bleeding problems, and several types of cancer. Common hematologic tests include complete blood count (CBC), coagulation studies, peripheral smear examination, and erythrocyte sedimentation rate (ESR). The specific test or combination of tests ordered will depend on the patient's symptoms, medical history, and physical examination findings.

A "Blood Cell Count" is a medical laboratory test that measures the number of red blood cells (RBCs), white blood cells (WBCs), and platelets in a sample of blood. This test is often used as a part of a routine check-up or to help diagnose various medical conditions, such as anemia, infection, inflammation, and many others.

The RBC count measures the number of oxygen-carrying cells in the blood, while the WBC count measures the number of immune cells that help fight infections. The platelet count measures the number of cells involved in clotting. Abnormal results in any of these counts may indicate an underlying medical condition and further testing may be required for diagnosis and treatment.

Hemoglobin (Hb or Hgb) is the main oxygen-carrying protein in the red blood cells, which are responsible for delivering oxygen throughout the body. It is a complex molecule made up of four globin proteins and four heme groups. Each heme group contains an iron atom that binds to one molecule of oxygen. Hemoglobin plays a crucial role in the transport of oxygen from the lungs to the body's tissues, and also helps to carry carbon dioxide back to the lungs for exhalation.

There are several types of hemoglobin present in the human body, including:

* Hemoglobin A (HbA): This is the most common type of hemoglobin, making up about 95-98% of total hemoglobin in adults. It consists of two alpha and two beta globin chains.
* Hemoglobin A2 (HbA2): This makes up about 1.5-3.5% of total hemoglobin in adults. It consists of two alpha and two delta globin chains.
* Hemoglobin F (HbF): This is the main type of hemoglobin present in fetal life, but it persists at low levels in adults. It consists of two alpha and two gamma globin chains.
* Hemoglobin S (HbS): This is an abnormal form of hemoglobin that can cause sickle cell disease when it occurs in the homozygous state (i.e., both copies of the gene are affected). It results from a single amino acid substitution in the beta globin chain.
* Hemoglobin C (HbC): This is another abnormal form of hemoglobin that can cause mild to moderate hemolytic anemia when it occurs in the homozygous state. It results from a different single amino acid substitution in the beta globin chain than HbS.

Abnormal forms of hemoglobin, such as HbS and HbC, can lead to various clinical disorders, including sickle cell disease, thalassemia, and other hemoglobinopathies.

An erythrocyte, also known as a red blood cell, is a type of cell that circulates in the blood and is responsible for transporting oxygen throughout the body. The erythrocyte membrane refers to the thin, flexible barrier that surrounds the erythrocyte and helps to maintain its shape and stability.

The erythrocyte membrane is composed of a lipid bilayer, which contains various proteins and carbohydrates. These components help to regulate the movement of molecules into and out of the erythrocyte, as well as provide structural support and protection for the cell.

The main lipids found in the erythrocyte membrane are phospholipids and cholesterol, which are arranged in a bilayer structure with the hydrophilic (water-loving) heads facing outward and the hydrophobic (water-fearing) tails facing inward. This arrangement helps to maintain the integrity of the membrane and prevent the leakage of cellular components.

The proteins found in the erythrocyte membrane include integral proteins, which span the entire width of the membrane, and peripheral proteins, which are attached to the inner or outer surface of the membrane. These proteins play a variety of roles, such as transporting molecules across the membrane, maintaining the shape of the erythrocyte, and interacting with other cells and proteins in the body.

The carbohydrates found in the erythrocyte membrane are attached to the outer surface of the membrane and help to identify the cell as part of the body's own immune system. They also play a role in cell-cell recognition and adhesion.

Overall, the erythrocyte membrane is a complex and dynamic structure that plays a critical role in maintaining the function and integrity of red blood cells.

A leukocyte count, also known as a white blood cell (WBC) count, is a laboratory test that measures the number of leukocytes in a sample of blood. Leukocytes are a vital part of the body's immune system and help fight infection and inflammation. A high or low leukocyte count may indicate an underlying medical condition, such as an infection, inflammation, or a bone marrow disorder. The normal range for a leukocyte count in adults is typically between 4,500 and 11,000 cells per microliter (mcL) of blood. However, the normal range can vary slightly depending on the laboratory and the individual's age and sex.

Erythrocyte aging, also known as red cell aging, is the natural process of changes and senescence that occur in red blood cells (erythrocytes) over time. In humans, mature erythrocytes are devoid of nuclei and organelles, and have a lifespan of approximately 120 days.

During aging, several biochemical and structural modifications take place in the erythrocyte, including:

1. Loss of membrane phospholipids and proteins, leading to increased rigidity and decreased deformability.
2. Oxidative damage to hemoglobin, resulting in the formation of methemoglobin and heinz bodies.
3. Accumulation of denatured proteins and aggregates, which can impair cellular functions.
4. Changes in the cytoskeleton, affecting the shape and stability of the erythrocyte.
5. Increased expression of surface markers, such as Band 3 and CD47, that signal the spleen to remove aged erythrocytes from circulation.

The spleen plays a crucial role in removing senescent erythrocytes by recognizing and phagocytosing those with altered membrane composition or increased expression of surface markers. This process helps maintain the overall health and functionality of the circulatory system.

Erythrocyte deformability refers to the ability of red blood cells (erythrocytes) to change shape and bend without rupturing, which is crucial for their efficient movement through narrow blood vessels. This deformability is influenced by several factors including the cell membrane structure, hemoglobin concentration, and intracellular viscosity. A decrease in erythrocyte deformability can negatively impact blood flow and oxygen delivery to tissues, potentially contributing to various pathological conditions such as sickle cell disease, diabetes, and cardiovascular diseases.

Anion Exchange Protein 1, Erythrocyte (AE1), also known as Band 3 protein or SLC4A1, is a transmembrane protein found in the membranes of red blood cells (erythrocytes). It plays a crucial role in maintaining the pH and bicarbonate levels of the blood by facilitating the exchange of chloride ions (Cl-) with bicarbonate ions (HCO3-) between the red blood cells and the plasma.

The anion exchange protein 1 is composed of three major domains: a cytoplasmic domain, a transmembrane domain, and an extracellular domain. The cytoplasmic domain interacts with various proteins involved in regulating the cytoskeleton of the red blood cell, while the transmembrane domain contains the ion exchange site. The extracellular domain is responsible for the interaction between red blood cells and contributes to their aggregation.

Mutations in the AE1 gene can lead to various inherited disorders, such as hereditary spherocytosis, Southeast Asian ovalocytosis, and distal renal tubular acidosis type 1. These conditions are characterized by abnormal red blood cell shapes, impaired kidney function, or both.

Hemolysis is the destruction or breakdown of red blood cells, resulting in the release of hemoglobin into the surrounding fluid (plasma). This process can occur due to various reasons such as chemical agents, infections, autoimmune disorders, mechanical trauma, or genetic abnormalities. Hemolysis may lead to anemia and jaundice, among other complications. It is essential to monitor hemolysis levels in patients undergoing medical treatments that might cause this condition.

A platelet count is a laboratory test that measures the number of platelets, also known as thrombocytes, in a sample of blood. Platelets are small, colorless cell fragments that circulate in the blood and play a crucial role in blood clotting. They help to stop bleeding by sticking together to form a plug at the site of an injured blood vessel.

A normal platelet count ranges from 150,000 to 450,000 platelets per microliter (µL) of blood. A lower than normal platelet count is called thrombocytopenia, while a higher than normal platelet count is known as thrombocytosis.

Abnormal platelet counts can be a sign of various medical conditions, including bleeding disorders, infections, certain medications, and some types of cancer. It is important to consult with a healthcare provider if you have any concerns about your platelet count or if you experience symptoms such as easy bruising, prolonged bleeding, or excessive menstrual flow.

A CD4 lymphocyte count is a laboratory test that measures the number of CD4 T-cells (also known as CD4+ T-cells or helper T-cells) in a sample of blood. CD4 cells are a type of white blood cell that plays a crucial role in the body's immune response, particularly in fighting off infections caused by viruses and other pathogens.

CD4 cells express a protein on their surface called the CD4 receptor, which is used by human immunodeficiency virus (HIV) to infect and destroy these cells. As a result, people with HIV infection or AIDS often have low CD4 lymphocyte counts, which can make them more susceptible to opportunistic infections and other complications.

A normal CD4 lymphocyte count ranges from 500 to 1,200 cells per cubic millimeter of blood (cells/mm3) in healthy adults. A lower than normal CD4 count is often used as a marker for the progression of HIV infection and the development of AIDS. CD4 counts are typically monitored over time to assess the effectiveness of antiretroviral therapy (ART) and to guide clinical decision-making regarding the need for additional interventions, such as prophylaxis against opportunistic infections.

Erythrocyte aggregation, also known as rouleaux formation, is the clumping together of red blood cells (erythrocytes) in a way that resembles a stack of coins. This phenomenon is typically observed under low-shear conditions, such as those found in small blood vessels and capillaries.

The aggregation of erythrocytes is influenced by several factors, including the concentration of plasma proteins, the charge and shape of the red blood cells, and the flow characteristics of the blood. One of the most important proteins involved in this process is fibrinogen, a large plasma protein that can bridge between adjacent red blood cells and cause them to stick together.

Erythrocyte aggregation can have significant effects on blood flow and rheology (the study of how blood flows), particularly in diseases such as diabetes, sickle cell disease, and certain types of anemia. Increased erythrocyte aggregation can lead to reduced oxygen delivery to tissues, increased blood viscosity, and impaired microcirculatory flow, all of which can contribute to tissue damage and organ dysfunction.

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Reference ranges for blood tests "Erythrocyte Count (RBC): Reference Range, Interpretation, Collection and Panels". Medscape. 7 ...
The individual will have normal hematological parameters (erythrocyte count, total hemoglobin, mean corpuscular volume).[ ...
These are used to perform complete blood counts, erythrocyte sedimentation rates (ESRs), or coagulation tests. Automated cell ... This allows the counts of RBCs, WBCs, and platelets to be obtained. The platelet count is easily separated from the WBC count ... Reticulocyte counts can now be performed by many analysers, giving an alternative to time-consuming manual counts. Many ... Automatic erythrocyte sedimentation rate (ESR) readers, while not strictly analysers, do preferably have to comply to the 2011- ...
Laboratory tests might include: full blood count, liver enzymes, renal function and erythrocyte sedimentation rate.[citation ... High platelet counts do not necessarily signal any clinical problems, and can be picked up on a routine full blood count. ... High platelet counts can occur in patients with polycythemia vera (high red blood cell counts), and is an additional risk ... In hematology, thrombocythemia is a condition of high platelet (thrombocyte) count in the blood. Normal count is in the range ...
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Other typical laboratory abnormalities include an elevated white blood cell count, erythrocyte sedimentation rate, and ... Eosinophilic pneumonia is diagnosed in one of three circumstances: when a complete blood count reveals increased eosinophils ... a high erythrocyte sedimentation rate, iron deficiency anemia, and increased platelets. A chest X-ray can show abnormalities ...
Other blood tests commonly performed are white blood cell count, electrolytes, kidney function and erythrocyte sedimentation ... A white blood cell count as high as 40.0×109/l (40,000/mm3) has been documented. The most important differential diagnosis in ...
... endometrial thickness correlates positively with erythrocyte count and hemoglobin concentration in premenopausal women". ...
Gering E, Atkinson C (2004). "A rapid method for counting nucleated erythrocytes on stained blood smears by digital image ...
PLIN5 is an enhancer of the erythrocytes count in blood, as well as hemoglobin concentration. Mammalian Plin's are not ...
There was only a slight increase in mean cell hemoglobin (MCH) in terms of erythrocyte, leukocyte and platelet counts. Serum ...
Hematological investigations are blood tests estimating hemoglobin, platelet counts, total white blood cell counts, erythrocyte ...
When a person's erythrocyte count is higher than the normal range for their sex, the disease state erythrocytosis can occur. ...
Systemic symptoms including fever, fatigue, arthralgia, anemia, elevated white blood cell count, thrombocytosis, ... thrombocytopenia, hypergammaglobulinemia, and elevated erythrocyte sedimentation rate. Myxomas have been found to produce ...
A complete blood cell count illustrating decreased fraction of intact erythrocytes signifies haemolysis, hinting for haemolytic ... Apart from erythrocyte disorders, certain drugs bind to albumin competitively, occupying binding sites for bilirubin. For ... 80% of which is derived from haemoglobin (Hb) produced by erythrocyte breakdown, with the remaining from heme proteins, like ... This may stem from hereditary spherocytosis, a congenital disease characterized by abnormally sphere-shaped erythrocytes, ...
Common tests that are conducted include complete blood count, comprehensive metabolic panel, erythrocyte sedimentation rate, C- ... The WPI counts up to 19 general body areas in which the person has experienced pain in the preceding week. The SSS rates the ...
... including complete blood count with leukocyte differential; erythrocyte sedimentation rate; serum levels of alanine ... The following routine tests are recommended: Complete blood count Blood chemistry (electrolytes, glucose, renal function, liver ... from the Fukuda criteria in that mental fatigue is required and that symptoms that could be psychiatric in origin can count ... enzymes, and protein levels). Thyroid function tests Erythrocyte sedimentation rate (ESR) and C-Reactive protein Iron tests ...
Signs of inflammation are often present: these include an increased white blood cell count (leukocytosis) and a raised ... elevated erythrocyte sedimentation rate, high levels of white blood cells, and findings of problems in bone imaging. In the ... erythrocyte sedimentation rate and C-reactive protein. There can be anemia of chronic disease. Bone abnormalities can be seen ...
... counts in humans. At the time Jourdanet referred to the condition as "barometric anoxemia". He was a friend and colleague to ... these studies he was the first person to make a connection between reduced atmospheric oxygen pressure and elevated erythrocyte ...
One should consider drawing for a CBC (Complete Blood Count), ESR (Erythrocyte Sedimentation Rate), liver, renal and thyroid ...
... one where erythrocyte count is zero. In many countries, facetious or insulting acronyms are now considered unethical and ...
This may include a full blood count, erythrocyte sedimentation rate (ESR), antistreptolysin-O (ASO) titer and throat culture, ...
Blood tests Complete blood count may reveal normocytic anemia and eventually thrombocytosis. Erythrocyte sedimentation rate ... high white-blood-cell count, high band count, high CRP concentrations, male sex, and age less than one year. Coronary artery ...
The leukocyte count continues to fall. Bleeding time increases, and the coagulability of the blood is delayed. Hemorrhages ... and an increased erythrocyte sedimentation rate. Subsequently petechial hemorrhages of both the skin and mucosa as well as ... In such circumstances, the blood count can indicate hematopoiesis alterations as quickly as 1-4 days; this was followed by ... and leukocyte differential counts. In the second stage, therapeutic interventions include balanced nutrition, which includes ...
Compared to other amphibians, the erythrocytes are smaller in size, their red cell count is significantly higher, and their ...
This is the method used to e.g. size and count erythrocytes (red blood cells [wiki]) as well as leukocytes (white blood cells) ... The generic term for this method is resistive pulse sensing (RPS); Coulter counting is a trademark term. However, the RPS ... DeBlois RW, Bean CP (1970). "Counting and sizing of submicron particles by the resistive pulse technique". Rev. Sci. Instrum. ... As a result there has been some university-based development of microfluidic particle counting and sizing [excessive citations] ...
Blood tests - Complete blood count: leukocytosis - Elevated erythrocyte sedimentation rate: >100 mm/h Tuberculin skin test - ...
encoded search term (Erythrocyte Count (RBC)) and Erythrocyte Count (RBC) What to Read Next on Medscape ... Erythrocyte Count (RBC) Updated: Sep 28, 2020 * Author: Choladda Vejabhuti Curry, MD; Chief Editor: Thomas M Wheeler, MD, FCAP ... Red blood cell count is part of a standard complete blood count (CBC) and is used along with hemoglobin concentration and ... Red blood cell (RBC) count is a number of red blood cells per unit volume of blood. RBC count then increases either due to ...
"Erythrocyte Count" by people in this website by year, and whether "Erythrocyte Count" was a major or minor topic of these ... "Erythrocyte Count" is a descriptor in the National Library of Medicines controlled vocabulary thesaurus, MeSH (Medical Subject ... Below are the most recent publications written about "Erythrocyte Count" by people in Profiles. ... Below are MeSH descriptors whose meaning is more general than "Erythrocyte Count". ...
Erythrocyte Count (RBC Count). Become a Member For ₹ 1999. & Get Lab Tests at 50% Discount & Radiology Tests at 30% Discount ...
encoded search term (Erythrocyte Count (RBC)) and Erythrocyte Count (RBC) What to Read Next on Medscape ... Erythrocyte Count (RBC) Updated: Jan 13, 2015 * Author: Choladda Vejabhuti Curry, MD; Chief Editor: Thomas M Wheeler, MD more ... Red blood cell count is part of a standard complete blood count (CBC) and is used along with hemoglobin concentration and ... Red blood cell count (RBC) can also be used with MCV to aid in the differential diagnosis between iron deficiency and β- or α- ...
encoded search term (Erythrocyte Count (RBC)) and Erythrocyte Count (RBC) What to Read Next on Medscape ... Erythrocyte Count (RBC) Updated: Jan 13, 2015 * Author: Choladda Vejabhuti Curry, MD; Chief Editor: Thomas M Wheeler, MD more ... Red blood cell count is part of a standard complete blood count (CBC) and is used along with hemoglobin concentration and ... Red blood cell count (RBC) can also be used with MCV to aid in the differential diagnosis between iron deficiency and β- or α- ...
... and monocyte counts as well as erythrocyte volume and hemoglobin content in healthy individuals of European ancestry. These ... Here we show a significant impact of HMIP variability on several types of peripheral blood cells: erythrocyte, platelet, ... erythrocytes that carry measurable amounts of fetal hemoglobin). Since the physiological processes underlying the F-cell ... variability are thought to be linked to kinetics of erythrocyte maturation and differentiation, we have investigated the ...
Results were compared to a conventional microscopic count and to the Sysmex XN10 reference analyzer in body fluid mode. ... Leukocyte and erythrocyte count. 74 out of 98 samples were used to compare leukocyte and erythrocyte count. 11 samples were ... Differential count. 71 samples were retained. Comparison of the analyzers for the % of PN yielded a slope of 0.931, intercept ... Results were compared to a conventional microscopic count and to the XN10 (Sysmex) reference analyzer in body fluid mode. Both ...
An RBC count is a blood test that measures how many red blood cells (RBCs) you have. ... An RBC count is a blood test that measures how many red blood cells (RBCs) you have. ... The RBC count is almost always part of a complete blood count (CBC) test. ... Other conditions that may require an RBC count are:. *Bone marrow disorder in which the marrow is replaced by scar tissue ( ...
Blood: Changes in other cell count (unspecified). Blood: Changes in erythrocyte (RBC) count. VCVGK* -,385,1994. ... Blood: Changes in other cell count (unspecified). VCVGK* -,384,1984. intravenous/rat lowest published toxic dose: 0.5 mg/kg. ... Blood: Changes in leukocyte (WBC) count. VCVGK* -,385,1994. inhalation/rat lowest published toxic concentration: 4 ppm/6H/62D- ... Blood: Changes in leukocyte (WBC) count. Nutritional and Gross Metabolic: Weight loss or decreased weight gain. GISAAA 31(1),9, ...
Depressed erythrocyte counts. NOAEL : 2.5 x 101 mg/kg-day 100 Medium. ...
... erythrocyte count 0; glucose level 76 mg/dL; total protein level 55 mg/dL, and lactate dehydrogenase level 35 IU/L. Figure 2 ... The score is derived from an automated algorithm, and represents a weighted count of the amount of attention Altmetric picked ... Laboratory studies of the CSF indicated the following values: leukocyte (WBC) count 8 mm3 with 66% neutrophils, 4% lymphocytes ... hypothesis is the observation that the highest viral titer as determined by PCR coincided with the recovery of the WBC count. ...
... degree Celsius Erythrocyte cell count in patient blood NPU01960 Blood-Erythrocytes; number concentration = ? x 1012 per litre ... C (Code: NPU08676) B-Erythrocytes; num.c. = ? × 1012/L (Code: NPU01960) P-Glycoprotein hormones alpha chain; mass c. = ? μg/L ( ...
Erythrocyte count (RBC). Reticulocyte count (Retic). Mean cell haemoglobin (MCH). Mean cell haemoglobin concentration (MCHC). ... Total white cell count (WBC). Differential WBC count. Neutrophils (N). Lymphocytes (L). Eosinophils (E). Basophils (B). ... Platelet count (Pit). Morphology flags were generated by the Advia 120 analyser. The most common. morphological changes, ... More specifically, red blood cell count, hemoglobin, and hematocrit were decreased, and segmented neutrophils were increased, ...
Erythrocyte count (RBC). Hematocrit (Hct). Erythrocyte indices - mean corpuscular hemoglobin (MCH). - mean corpuscular volume ( ... Males treated with 100 mg/kg bw/day also showed a statistically significant increase in erythrocyte count. The majority of ... Platelet count (PLT) Reticulocyte count (Retic) - Methylene blue stained slides were prepared but reticulocytes were not ... Platelet count (PLT). Methaemoglobin (Meth). Reticulocyte count (Retic). CLINICAL CHEMISTRY: Yes - Time schedule for collection ...
Erythrocyte count (RBC). Hematocrit (Hct). Erythrocyte indices - mean corpuscular hemoglobin (MCH). - mean corpuscular volume ( ... Total leucocyte count (WBC). Differential leucocyte count. - neutrophils (Neut). - lymphocytes (Lymph). - monocytes (Mono). - ... Platelet count (PLT). Activated partial thromboplastin time (APTT). Reticulocyte count (Retic). 3.2 Blood Chemistry. Urea. ... neutrophil count. No such effects were detected in males treated with 100 mg/kg bw/day or in animals of either sex treated with ...
Decreases in erythrocyte count and hematocrit value also occurred in 400 ppm males. Leukocyte and lymphocyte counts were ... At the end of the study, there were small but statistically significant decreases in erythrocyte counts in 200 and 400 ppm ... Parameters examined: Hematocrit; packed cell volume; hemoglobin; erythrocyte, reticulocyte, and platelet counts; mean cell ... other: Significantly decreased sperm count per mg cauda in males treated at 200 and 400 ppm and in cauda sperm counts in 100, ...
Categories: Erythrocyte Count Image Types: Photo, Illustrations, Video, Color, Black&White, PublicDomain, CopyrightRestricted 9 ...
Learn about a complete blood count (CBC), one of the most commonly ordered blood tests. A doctor can order a CBC for a variety ... White blood cell count (WBC or Leukocyte count). *WBC differential count. *Red blood cell count (RBC or erythrocyte count) ... A complete blood count (CBC) is a common blood test.. The complete blood count (CBC) test is one of the most commonly ordered ... The following lists some of the typical values of the components of the complete blood count:. *WBC (white blood cell) count ...
An indirect method for making red cell counts.. Subject(s):. Erythrocyte Number: Counting. ... Erythrocytes and hemoglobin of the blood in infancy and in childhood; variability in number, size and hemoglobin content of the ... Estimation of erythrocytes from a blood smear by a dry chamber method. ... Relation between hemoglobin, cell count and cell volume in the venous blood of normal human subjects. ...
Erythrocyte count (red blood cell count, RBCC); Haematocrit (packed cell volume, PCV); Haemoglobin (Hb); Leucocyte count (white ... Erythrocyte (RBC) sedimentation rate (ESR) Infertility and pregnancy tests including assisted reproductive technology - ... blood cell count, WBCC); Platelet count; Red blood cell index or indices ...
Investigations showed: haemoglobin 16 2 g/dl; white cell count 116 x 109l1 with a normal differential count; erythrocyte ...
... tender joint count (TJC), swollen joint count (SJC), physician global assessment of disease activity, patient assessment of ... AoSD, adult-onset Still disease; CHAQ, Childhood Health Assessment Questionnaire; CRP, C-reactive protein; ESR, erythrocyte ... The following laboratory values were collected: haematological profile, first-hour erythrocyte sedimentation rate (ESR), CRP, ... sedimentation rate; SJ, swollen joint count; SoJIA, systemic-onset juvenile idiopathic arthritis; TJ, tender joint count. Pain ...
General laboratory tests include a complete blood count (CBC) and erythrocyte sedimentation rate (ESR). Typical results are a ... normal white blood cell count or mild lymphocytosis, monocytosis, and/or eosinophilia (,5%) and an elevated ESR. ...
Gluce-l-phosphate and LSD had no effect on eosinophil counts or erythrocyte sedimentation rates. ...
Erythrocyte Count. Erythrocytes lack nuclei, which means they cannot proliferate (reproduce). They have a lifespan of about 120 ... Erythrocyte definition. What is Erythrocyte and Definition. A red BLOOD cell (RBC). The primary function of erythrocytes is to ... The number of erythrocytes in both men and women begins to decline after age 70 because erythropoiesis slows as a natural ... Erythrocytes contain iron and HEMOGLOBIN, a pigmented protein that gives them their red color. Hemoglobin is the substance to ...
Blood erythrocyte counts returned to normal by 7 months. No significant changes occurred in leukocyte or platelet counts. ...
... erythrocyte count, and haemoglobin concentration at 300 mg/litre and decreased erythrocyte count at 200 mg/litre, in males. ... erythrocyte count, leukocyte count, and percentage of neutrophiles, with an increased percentage of lymphocytes and plasma iron ... Lower erythrocyte counts and a relative lymphocytosis were also observed by Babanov et al. (1959) in the study mentioned above ... Females on 300 mg/litre also showed a significant decrease in the erythrocyte count. However, all haematological findings were ...
  • we analysed its effect on fever, erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) levels, numbers of swollen and tender joints, the assessment of disease activity (by physician and parent/patient) and pain (by parent/patient), and American College of Rheumatology (ACR) pediatric core set criteria for JIA activity. (bmj.com)
  • General laboratory tests include a complete blood count (CBC) and erythrocyte sedimentation rate (ESR). (medscape.com)
  • Erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) have been studied previously in this regard and were not useful. (amrita.edu)
  • for complete blood count, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP) and DNA isolation. (exposed-skin-care.net)
  • These can include a complete blood count, blood chemistry, and erythrocyte sedimentation rate (ESR) to look for evidence of inflammation. (dana-farber.org)
  • Other common acute phase reactants include the ESR (Erythrocyte Sedimentation Rate) and blood platelet count. (successcds.net)
  • Tests for markers of inflammation, such as C-reactive protein and Erythrocyte sedimentation rate (ESR). (kyoto2.org)
  • The research was conducted to observe the effect of shoti meal on weight gain and some selected hematological values such as total erythrocyte count (TEC), hemoglobin (Hb) and erythrocyte sedimentation rate (ESR) and biochemical parameters such as aspartate transaminase (AST), alanine transaminase (ALT), uric acid and creatinine in broilers. (banglajol.info)
  • Investigations showed normal white cell count, C-reactive protein, erythrocyte sedimentation rate, and a negative vasculitis profile. (neurology.org)
  • These analyzers offer complete blood count (CBC) and erythrocyte sedimentation rate (ESR) testing capabilities. (factmr.com)
  • White blood cell count and erythrocyte sedimentation rate are normal. (msdmanuals.com)
  • Pulmonary tuberculosis count, erythrocyte sedimentation rate, be aware of such toxicity. (who.int)
  • Here we show a significant impact of HMIP variability on several types of peripheral blood cells: erythrocyte, platelet, and monocyte counts as well as erythrocyte volume and hemoglobin content in healthy individuals of European ancestry. (ox.ac.uk)
  • No significant changes occurred in leukocyte or platelet counts. (cdc.gov)
  • p class=\'abstract\'>Cyclic thrombocytopenia (CTP) is a rare disease of periodic platelet count oscillations. (stanford.edu)
  • Blood transcriptome analysis revealed cycling of platelet-specific genes, which are in parallel with and precede platelet count oscillation, indicating that cyclical platelet production leads platelet count cycling in both patients. (stanford.edu)
  • Additionally, neutrophil and erythrocyte-specific genes also showed fluctuations correlating with platelet count changes, consistent with TPO effects on hematopoietic progenitors. (stanford.edu)
  • In addition, both patients had clonal T-cell populations that remained stable throughout platelet count cycles. (stanford.edu)
  • 74 out of 98 samples were used to compare leukocyte and erythrocyte count. (horiba.com)
  • The correlation coefficient between the 2 analyzers was 0.991 for leukocyte (figure 2) and 0.955 between Yumizen H2500 and the conventional chamber counting method (figure 3). (horiba.com)
  • In addition, data from this study allowed the leukocyte count and the scattergram thresholds used for the differential to be optimized. (horiba.com)
  • Erythrocytes contain iron and HEMOGLOBIN, a pigmented protein that gives them their red color. (beltina.org)
  • Red blood cell count is part of a standard complete blood count (CBC) and is used along with hemoglobin concentration and hematocrit to determine if a patient has anemia , polycythemia, dehydration, or response to treatment related to those conditions. (medscape.com)
  • The RBC count usually rises or falls along with hemoglobin or hematocrit. (medscape.com)
  • Red blood cell count along with hemoglobin concentration, and hematocrit should be interpreted with cautions because the measurement is relative to plasma volume. (medscape.com)
  • RBC count then increases either due to relatively decreased plasma volume such as dehydration/hemoconcentration or due to absolute increase in red blood cell production such as in renal cell carcinoma (due to erythropoietin production) or polycythemia vera. (medscape.com)
  • variability in number, size and hemoglobin content of the erythrocytes during the first 5 years of life. (nih.gov)
  • The RBC count is almost always part of a complete blood count ( CBC ) test. (medlineplus.gov)
  • What Is a Complete Blood Count (CBC) Test? (emedicinehealth.com)
  • The complete blood count (CBC) test is one of the most commonly ordered blood tests. (emedicinehealth.com)
  • The complete blood count test measures the quantity of all the different types of cells in the blood. (emedicinehealth.com)
  • The complete blood count test is performed by drawing a few milliliters (one to two teaspoons) of blood from a vein. (emedicinehealth.com)
  • The complete blood count may be done in many different healthcare settings including doctors' offices, clinics, urgent care facilities, emergency rooms, hospitals, and outpatient medical laboratories. (emedicinehealth.com)
  • This sample is then taken to the laboratory for analysis, and the complete blood count results may be available within hours after collection. (emedicinehealth.com)
  • What Are Components of Complete Blood Count? (emedicinehealth.com)
  • The complete blood count interpretation is done by doctors who review the results of the testing. (emedicinehealth.com)
  • The complete blood count measures many important values pertaining to the blood cells. (emedicinehealth.com)
  • The different types of WBCs that have specific functions that are routinely reported in a complete blood count are neutrophils, lymphocytes, basophils, eosinophils, and monocytes. (emedicinehealth.com)
  • What Is an Analysis of the Complete Blood Count? (emedicinehealth.com)
  • The blood sample drawn for a complete blood count is analyzed in a medical laboratory. (emedicinehealth.com)
  • The complete blood count analysis is routinely and reliably done by automated machines in most laboratories. (emedicinehealth.com)
  • A small sample of the blood drawn from a person is fed into the machine and within a few minutes, the values of the components of the complete blood count are displayed and printed for review. (emedicinehealth.com)
  • This method is still widely used when results of a complete blood count need further review to confirm certain abnormal values, or a doctor wants to see how the blood cells look (for example, if any abnormal features are present which would not be reported by an automated complete blood count). (emedicinehealth.com)
  • Routine screening tests for undifferentiated connective-tissue disease (UCTD) should include the following: Complete blood count. (kyoto2.org)
  • The complete blood count showed low values for red cells. (bvsalud.org)
  • Also, the results of the bacterial reverse mutation test and the erythrocyte micronucleus assay in mouse bone marrow suggest that CinDura® (GMCT) is neither mutagenic nor clastogenic. (hindawi.com)
  • The BONE MARROW thus must continuously produce erythrocytes, which it does at the rate of about 2 million per minute. (beltina.org)
  • Estimation of erythrocytes from a blood smear by a dry chamber method. (nih.gov)
  • Erythrocytes account for 99 percent of the blood cells the blood carries. (beltina.org)
  • Results were compared to a conventional microscopic count and to the XN10 (Sysmex) reference analyzer in body fluid mode. (horiba.com)
  • This study confirmed the good analytical performance of the Yumizen H2500 in comparison with conventional microscopic count as well as with the XN10 analyzer. (horiba.com)
  • RBC count decreases in anemia or blood loss. (medscape.com)
  • My clinic includes all types of hematologic disorders, ranging from anemia, clotting/bleeding disorders, and low blood counts to complex malignancies such as leukemia, myelodysplastic syndrome, myeloma, and lymphoma. (stanford.edu)
  • Similarly, the range of erythrocyte count of healthy patients was significantly higher (3.69-5.29 million/µl) than chronic periodontitis patients (3.33-5.97 million/µl). (bvsalud.org)
  • Background: Prediction of outcome in diabetic foot infection (DFI) remains difficult due to lack of active signs of infection, and apparently normal white blood cell (WBC) count. (amrita.edu)
  • If an infectious etiology is suspected (due to the presence of fever, erythema, previous puncture wounds, or cellulitis), the olecranon bursa should be aspirated and the fluid sent for culture, for a cell count (white blood cells [WBCs], red blood cells [RBCs]), and for Gram staining for bacteria. (medscape.com)
  • Relation between hemoglobin, cell count and cell volume in the venous blood of normal human subjects. (nih.gov)
  • Under aseptic conditions, venous blood samples were obtained by vein-puncture in the ante-cubital fossa without excessive venous stasis and the mean value of erythrocytes (EC), hemoglobin concentration (HGB), mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) were measured. (bvsalud.org)
  • Since the physiological processes underlying the F-cell variability are thought to be linked to kinetics of erythrocyte maturation and differentiation, we have investigated the influence of the HMIP locus on other hematologic parameters. (ox.ac.uk)
  • The hemoglobin percentage and red blood cell count in Bright's disease, myocardial insufficiency and hypertension. (nih.gov)
  • Men have a somewhat higher percentage of erythrocytes in their blood, about 47 percent, than women, who have about 42 percent, primarily because women lose blood each month with MENSTRUATION . (beltina.org)
  • The primary function of erythrocytes is to carry oxygen from the LUNGS to the cells of tissues throughout the body and return carbon dioxide, a metabolic waste, to the lungs for removal from the body. (beltina.org)
  • An indirect method for making red cell counts. (nih.gov)
  • An efficient and practical method for the counting of red blood cells. (nih.gov)
  • NOEL = 20 mg/kg (A male at 200 mg/kg was killed moribund, due to a severe weight decrease (2 kg), decreased hemoglobin and RBC counts. (fluoridealert.org)
  • An RBC count is a blood test that measures how many red blood cells (RBCs) you have. (medlineplus.gov)
  • WBC count, ESR, CRP, and PCT were done for all subjects at admission after obtaining informed consent. (amrita.edu)
  • Red blood cell (RBC) count is a number of red blood cells per unit volume of blood. (medscape.com)
  • The samples were analyzed in duplicate by the Yumizen H2500 to determine the number of leukocytes and erythrocytes, the partial formula (% of mononuclear cells (%MN) and % of polymorphonuclear cells (%PN)) and to detect abnormal cells. (horiba.com)
  • The presence of abnormal plasma cells in the sample caused discrepant results between both analyzers (figure 4B, figure 6) and between the Yumizen H2500 and manual count. (horiba.com)
  • Red blood cell (RBC) count can also be used with MCV to aid in the differential diagnosis between iron deficiency and β- or α-thalassemia trait. (medscape.com)
  • This graph shows the total number of publications written about "Erythrocyte Count" by people in this website by year, and whether "Erythrocyte Count" was a major or minor topic of these publications. (jefferson.edu)
  • Peu de types de voix humaines peuvent être considérés comme étant aux confins de la vocalité et de la théorie queer , mais celui de la vocalité transsexuelle de la femme vers l'homme (FTM), à savoir la transvocalité, en serait le meilleur exemple. (openedition.org)
  • Common sequence variants situated between the HBS1L and MYB genes on chromosome 6q23.3 (HMIP) influence the proportion of F cells (erythrocytes that carry measurable amounts of fetal hemoglobin). (ox.ac.uk)
  • Gluce-l-phosphate and LSD had no effect on eosinophil counts or erythrocyte sedimentation rates. (erowid.org)
  • Your RBC count will increase for several weeks when you are in a higher altitude. (medlineplus.gov)
  • Below are the most recent publications written about "Erythrocyte Count" by people in Profiles. (jefferson.edu)
  • A study of the erythrocyte curve at various ages and its relationship to hemoglobin curve. (nih.gov)
  • Full blood count, erythrocyte sedi- fourth left finger. (cdc.gov)
  • No particle counts above the minimum resolvable level (approximately 200 particles/cm3) were detected. (europa.eu)
  • For each patient, we analysed all the blood counts carried out approximately 16 to 18 days after the previous treatment session, and 3 to 5 days before the following one. (bvsalud.org)
  • Anion exchanger 1 (AE1), also known as band 3 or SLC4A1, plays a key role in the removal of carbon dioxide from tissues by facilitating the exchange of chloride and bicarbonate across the plasma membrane of erythrocytes. (rcsb.org)