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megaloblast |
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megaloblast /meg·a·lo·blast/ (meg´ah-lo-blast″) a large, nucleated, immature progenitor of an abnormal erythrocytic series; the abnormal form corresponding to the normoblast.megaloblas´tic
Megaloblast A large erythroblast (a red marrow cell that synthesizes hemoglobin). Mentioned in: Anemias
megaloblast [meg′əlōblast′] Etymology: Gk, megas + blastos, germ an abnormally large nucleated immature erythrocyte that develops in large numbers in the bone marrow and is plentiful in the circulation in anemias associated with deficiency of vitamin B12, folic acid, or intrinsic factor. Effective treatment is the intramuscular injection of vitamin B12. megaloblastic, adj. megaloblast [meg´ah-lo-blast″] a large, nucleated immature progenitor of an abnormal erythrocytic series, an abnormal counterpart to the normoblast; megaloblasts are present in the blood in certain anemias. adj., adj megaloblas´tic.
megaloblast a large, nucleated immature progenitor of an abnormal erythrocytic series; megaloblasts are present in the blood in certain anemias. These changes reflect asynchronism in maturation between cytoplasm and nucleus. Observed in folic acid responsive anemias. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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