| anemia | <haematology> Too few red blood cells in the bloodstream, resulting in insufficient oxygen to tissues and organs. Origin: Gr. Haima = blood (16 Dec 1997) |
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| anaemia, megaloblastic | Anaemia characterised by the presence of megaloblasts in the bone marrow. (12 Dec 1998) |
| megaloblastic | <haematology> A large abnormal red blood cell appearing in the blood in pernicious anaemia. (18 Nov 1997) |
| megaloblastic anaemia | Any anaemia in which there is a predominant number of megaloblastic erythroblasts, and relatively few normoblasts, among the hyperplastic erythroid cells in the bone marrow (as in pernicious anaemia). (05 Mar 2000) |