单词	megaloblast
释义	megaloblast /ˈmɛɡələ(ʊ)blast / noun Medicine A large, abnormally developed red blood cell typical of certain forms of anaemia, associated with a deficiency of folic acid or of vitamin B12.Enlarged red cells, called megaloblasts, are caused by vitamin B12 deficiency and folate deficiency.... Ehrlich distinguished 3 types of granulated white blood cells, as well as normoblasts, megaloblasts, and leukemic cells. Enlarged red cells derived from megaloblasts are a consequence of a deficiency of vitamin B12 or folic acid. Derivatives megaloblastic adjective ... Iron-deficiency anaemia and megaloblastic anaemia can occur during pregnancy. The classic affected patient who presents with neuropathy and megaloblastic anemia likely represents the minority of subjects with cobalamin deficiency. Folate and vitamin D deficiency may necessitate vitamin supplementations and, if uncorrected, leads to megaloblastic anemia.
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