megaloblast
megaloblast (meg-ă-loh-blast) n. an abnormal form of erythroblast. Megaloblasts are unusually large and their nuclei fail to mature in the normal way; they are seen in the bone marrow in certain anaemias (megaloblastic anaemias) due to deficiency of vitamin B12 or folic acid.
—megaloblastic adj.
—megaloblastic adj.
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GABA See gamma-aminobutyric acid.
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megaloblast