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red blood cell |
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red blood cell: see blood blood, fluid pumped by the heart that circulates throughout the body via the arteries, veins, and capillaries (see circulatory system ; heart ). An adult male of average size normally has about 6 quarts (5.6 liters) of blood. ..... Click the link for more information. . erythrocyteor red blood cell or red blood corpuscleBlood cell that carries oxygen from the lungs to the body tissues. Hemoglobin gives the cell—and whole blood—its colour. Red cells are small, round, flexible, and concave on both sides and lack a nucleus. They develop continuously in bone marrow in several stages and are stored in the spleen. The mature form lives 100–120 days. Adult human blood has about 5.2 million red cells per cu mm. Some conditions change their shape (e.g., pernicious anemia, sickle-cell anemia) or number (e.g., anemia, polycythemia). How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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The new CMS guidelines will mean a fewer Aranesp sales to elderly and poor patients, who can develop a low red blood cell count as a result of chemotherapy or cancer that's being treated in other ways. Therefore, whether the low iron levels are due to a low red blood cell count or low levels of hemoglobin within a normal count, it will take 120 days to completely replace these cells with better versions of themselves. The sickle-shaped cells are easily destroyed which causes a decrease in the red blood cell count, thereby causing anemia. |
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