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Topic: Red blood cell


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In the News (Mon 13 Nov 17)

  
  Red blood cell indices
Red blood cell indices are measurements that describe the size and oxygen-carrying protein (hemoglobin) content of red blood cells.
Red blood cell indices are additional measurements of red blood cells based on the relationship of these three test results.
The measurement of the average concentration of hemoglobin in a red blood cell.
www.healthatoz.com /healthatoz/Atoz/ency/red_blood_cell_indices.jsp   (1400 words)

  
  Red blood cell indices
Red blood cell indices are measurements that describe the size and oxygen-carrying protein (hemoglobin) content of red blood cells.
Red blood cell indices are additional measurements of red blood cells based on the relationship of these three test results.
Cells with a normal concentration of hemoglobin are called normochromic; cells with a lower than normal concentration are called hypochromic.
www.lifesteps.com /gm/Atoz/ency/red_blood_cell_indices.jsp   (1508 words)

  
  Red Blood Cells
Red blood cells are red only because they contain a protein chemical called hemoglobin which is bright red in color.
As the blood passes through the body's tissue, the hemoglobin releases the oxygen to the cells.
The blood itself, however, is re-circulated throughout your body, not being remade all of the time.
sln.fi.edu /biosci/blood/red.html   (224 words)

  
  Red blood cell
Red blood cells (erythrocytes) are the most common type of blood cell and are the vertebrate body's principal means of delivering oxygen to body tissues via the blood.
Some athletes have tried doping their blood in the same way with their own packed cells, but this practice endangers the human cardiovascular system because it is not equipped to deal with blood of the higher resulting viscosity.
The aging cells swell up to a sphere-like shape and are engulfed by phagocytes[?], destroyed and their materials are released into the blood.
www.ebroadcast.com.au /lookup/encyclopedia/re/Red-blood_cell.html   (496 words)

  
 Red Blood Cell Indices: Encyclopedia of Medicine
Red blood cell indices are measurements that describe the size and oxygen-carrying protein (hemoglobin) content of red blood cells.
Red blood cell indices are additional measurements of red blood cells based on the relationship of these three test results.
Cells with a normal concentration of hemoglobin are called normochromic; cells with a lower than normal concentration are called hypochromic.
health.enotes.com /medicine-encyclopedia/red-blood-cell-indices   (1379 words)

  
 Reference.com/Encyclopedia/Red blood cell
Red blood cells are the most common type of blood cell and the vertebrate body's principal means of delivering oxygen from the lungs or gills to body tissues via the blood.
Red blood cells are also known as RBCs or erythrocytes (from Greek erythros for "red" and kytos for "hollow", with cyte nowadays translated as "cell").
The blood plasma is straw-colored alone, but the red blood cells change colors due to the state of the hemoglobin: when combined with oxygen the resulting oxyhemoglobin is scarlet and when oxygen has been released, the resulting deoxyhemoglobin is darker, appearing bluish through the blood vessel walls.
www.reference.com /browse/wiki/Red_blood_cells   (1439 words)

  
 Horse red blood cells
The red cells have the larger percentage as there are usually 6-8 million/ml as against white cells of 6-8 thousand/ml.
Horses with more of the less rigid cells will find it easier to move blood into the muscles and the lungs and so may be able to maintain greater period of stamina work than their more rigid cell competitors.
A horse with 5% rigid cells would have a tremendous advantage, all else being equal, and this may be an area that explains why some horses are superior to their fellows.
home.att.net /~horsenutrition101/redcell_2.html   (1358 words)

  
 Red Blood Cell - Search Results - MSN Encarta
Also referred to as red corpuscles, they are by far the most numerous type of blood cell.
The rest of the blood is made of three major types of cells: red blood cells...
Blood Type, in medicine, classification of red blood cells (Blood) by the presence of specific substances on their surface.
encarta.msn.com /Red_Blood_Cell.html   (154 words)

  
 ScienceDaily: Scientists Discover Secret Behind Human Red Blood Cell's Amazing Flexibility
Science Daily — A human red blood cell is a dimpled ballerina, ceaselessly spinning, tumbling, bending, and squeezing through openings narrower than its width to dispense life-giving oxygen to every corner of the body.
"Red cells are one of the few kinds of cells in the body with no nucleus and only a thin layer of protein skeleton under their membrane: they are living bags of hemoglobin,” said Amy Sung, a professor of bioengineering at UCSD’s Jacobs School of Engineering and coauthor of the study.
Sung asked Skelton to collaborate on her red blood cell project because Skelton and his students have pioneered the development of rigorous scientific tools to analyze the movement and balance of forces in many types of tensegrity systems.
www.sciencedaily.com /releases/2005/10/051024085853.htm   (1069 words)

  
 (BETA) Blood Cell Deficiencies - Part 1
These include red blood cells, which carry oxygen to the body's tissues; several types of white blood cells, which are an important part of the immune system; and platelets, which are involved in blood clotting.
Blood cell deficiencies may be the result of an autoimmune response in which a person's immune system attacks the blood-producing cells in the bone marrow.
In this type of anemia, red blood cell membranes are fragile and less able to bend when the cells pass through tiny vessels in the spleen, an immune system organ in the abdomen; this causes the cells to burst.
www.aegis.com /pubs/beta/1998/BE980703.html   (2639 words)

  
 Red blood cell count - Complete Blood Count
The primary function of the red blood cells, or erythrocytes, is to carry oxygen from the lungs to body tissues and to transfer carbon dioxide from the tissues to the lungs.
Red blood cells are also able to change shape to permit passage through small capillaries that connect arteries with veins.
The RBC is a count of the number of red blood cells per cubic millimeter of blood.
www.rnceus.com /cbc/cbcrbc.html   (649 words)

  
 Dual Red Blood Cell Donation
Blood is drawn and is passed through a cell separator where the component is collected and the remainder is returned to you.
Red blood cells carry oxygen to the body’s organs and tissue, and remove carbon dioxide.
You will be able to donate two units of concentrated red cells during one visit to the blood center and receive credit for two donations.
www.bloodntissue.org /blooddonation_dual.asp   (479 words)

  
 Red blood cell - WikiHealth
Red blood cells are the most common type of blood cell and are the vertebrate body's principal means of delivering oxygen to body tissues via the blood.
Red cells lack the insulin receptor and thus glucose uptake is not regulated by insulin.
(Red blood cells can be conserved for 5 weeks at −78 °C) This practice is hard to detect but may endanger the human cardiovascular system because it is not equipped to deal with blood of the resulting higher viscosity.
www.wikihealth.com /Red_blood_cell   (1033 words)

  
 SingaporeMoms - Parenting Encyclopedia - Red blood cell
Red blood cells are also known as RBCs or erythrocytes (from Greek erythros for "red" and kytos for "hollow", nowadays translated as "cell").
Red blood cells are thus much more common than the other blood particles: about 4-11 thousand white blood cells per cubic millimeter, and about 150-400 thousand platelets per cubic millimeter.
(Red blood cells can be conserved for 5 weeks at -78° Celsius.) This practice is hard to detect but may endanger the human cardiovascular system because it is not equipped to deal with blood of the resulting higher viscosity.
www.singaporemoms.com /parenting/Red_blood_cell   (900 words)

  
 Red Blood Cell Indices | AHealthyMe.com
Red blood cell indices are measurements that describe the size and oxygen-carrying protein (hemoglobin) content of red blood cells.
Red blood cell indices are additional measurements of red blood cells based on the relationship of these three test results.
The measurement of the average concentration of hemoglobin in a red blood cell.
www.ahealthyme.com /topic/topic100587391   (1394 words)

  
 Kidney International - Abstract of article: Association of reduced red blood cell deformability and diabetic nephropathy
Impaired red blood cell deformability may play a key role in the pathogenesis of chronic vascular complications of diabetes mellitus and progression of renal failure.
Red blood cell deformability, measured by filtration technique, is defined as the filtration rate of erythrocyte suspension through a micropore filter divided by the filtration rate of a physiologic buffer solution.
In diabetic patients, early impairment in red blood cell deformability appears in patients with normal renal function, and progressive impairment in red blood cell deformability is associated with renal function loss in all patients regardless of the presence or absence of diabetes.
www.nature.com /doifinder/10.1111/j.1523-1755.2005.00082.x   (590 words)

  
 Scientists Discover Secret of Human Red Blood Cell’s Amazing Flexibility | The Buckminster Fuller ...
Released: Mon 24-Oct-2005, 09:20 ET Newswise — A human red blood cell is a dimpled ballerina, ceaselessly spinning, tumbling, bending, and squeezing through openings narrower than its width to dispense life-giving oxygen to every corner of the body.
"Red cells are one of the few kinds of cells in the body with no nucleus and only a thin layer of protein skeleton under their membrane: they are living bags of hemoglobin," said Amy Sung, a professor of bioengineering at UCSD’s Jacobs School of Engineering and coauthor of the study.
Sung asked Skelton to collaborate on her red blood cell project because Skelton and his students have pioneered the development of rigorous scientific tools to analyze the movement and balance of forces in many types of tensegrity systems.
www.bfi.org /node/467   (858 words)

  
 Red blood cell transfusions in newborn infants: Revised guidelines
RBC transfusion in preterm or sick term infants is essential in the management of their clinical conditions to prevent the effects of anemia (8).
Blood loss in these infants may be either acute or chronic, and anemia may be, in part, iatrogenically related to frequent blood sampling.
RBC transfusions in preterm infants have been suggested to decrease heart rate and cardiac output, improve growth parameters, decrease lactate levels, or decrease apneic episodes in stable infants (58).
www.cps.ca /english/statements/FN/fn02-02.htm   (3776 words)

  
 red blood cell
Most common type of blood cell, and responsible for transporting oxygen around the body.
The red cell is a highly specialized cell with a distinctive shape.
In mammals they are in the shape of a disc with a depression in the face of the disc and lose their nucleus before they work as oxygen transporters in order to make maximum space for haemoglobin.
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0024929.html   (318 words)

  
 Red Blood Cell Count Test (RBC)
The red blood cell (RBC) count, also coiled an erythrocyte count, is part of a complete blood count.
Explain to the patient that this test is used to evaluate the number of RBCs and to detect possible blood disorders.
Further tests, such as stained cell examination, hematocrit, hemoglobin, red cell indices, and white cell studies, are needed to confirm the diagnosis.
www.diagnostic-medical-tests.com /hematology-coagulation-tests/red-blood-cell-count.htm   (510 words)

  
 Blood cell - Variations of Red Blood Cell   (Site not responding. Last check: 2007-11-07)
HON Allergy Glossary, White Blood Cell: Cells in the blood that are involved in defending the body against foreign substances.
The primary function of the red blood cells, or erythrocytes, is to carry oxygen from the lungs to body tissues and to transfer carbon dioxide from the
The basis for stem cell transplantation is that blood cells (red cells, white cells and platelets) and immune cells (lymphocytes) arise from the stem cells,
indexessite.com /idst/blood-cell.html   (1293 words)

  
 CND: Research on Red Blood Cell Shape & CFS
In his studies of blood from PWCs, they tend to have a higher percentage of cup-shaped and other shaped blood cells that are of a shape that is harder to get through small capillaries.
When there were higher percentages of the disc-shaped blood cells, the ME patient felt better; when their percentages of cup- and other-shaped cells was higher, they were feeling worse.
When he takes blood samples he has you fill in a questionnaire about how you were feeling at the time the blood was drawn, but you don't send him the questionnaire until after he sends you back the analysis of your blood.
www.anapsid.org /cnd/diagnosis/redcells.html   (782 words)

  
 Red blood cell Summary
Red blood cells are suspended in plasma, which is the straw colored liquid part of the blood.
Too many red blood cells is referred to as polycythemia and may occur as an adaptation to living in mountains to compensate for reduced oxygen in the air.
Some athletes have tried to improve their performance by doping their blood: First about 1 liter of their blood is extracted, then the red blood cells are isolated, frozen and stored, to be reinjected shortly before the competition.
www.bookrags.com /Red_blood_cell   (1629 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
A reduction in the number of white blood cells is called leukopenia ; a particular reduction in granulocytes is called neutropenia (or granulocytopenia).
The number of white blood cells may go up and this may be because of a bacterial infection, bleeding or a burn.
Blood from donor animals was obtained from their abdominal aorta under light ether anesthesia, anticoagulated with EDTA (1.5 mg/ml), and used for preparing polymer-coated RBC suspensions.
lycos.cs.cmu.edu /info/red-blood-cell--findings.html   (393 words)

  
 RED BLOOD CELL   (Site not responding. Last check: 2007-11-07)
Also known as the erythrocyte, this disc-shaped cell loses its nucleus after leaving the bone marrow (where it is produced).
Red blood cells have a life span of approximately 120 days before they are broken down by macrophages (in the spleen).
Red blood cells carry oxygen to the tissues by binding oxygen to hemoglobin contained inside the erythrocyte.
www.medhelp.org /glossary2/new/GLS_3972.HTM   (92 words)

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