megaloblastic anemia

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Noun1.megaloblastic anemia - anemia characterized by many large immature and dysfunctional red blood cells (megaloblasts) in the bone marrowmegaloblastic anemia - anemia characterized by many large immature and dysfunctional red blood cells (megaloblasts) in the bone marrow; associated with pernicious anemia
malignant anaemia, malignant anemia, pernicious anaemia, pernicious anemia - a chronic progressive anemia of older adults; thought to result from a lack of intrinsic factor (a substance secreted by the stomach that is responsible for the absorption of vitamin B12)
References in periodicals archive ?
In those countries, folate testing could be limited to specific indications such as macrocytic anaemia with peripheral blood morphological changes suggestive of megaloblastosis, alcoholism, malabsorption syndromes such as coeliac disease (most foods fortified with folic acid are not gluten free), some haemopoietic disorders, and chemotherapy patients.
Also of note, some of the drugs used to treat CVD may be implicated in megaloblastosis.
Among its adverse effects are bone marrow depression, megaloblastosis, fatigue, headache, fever, and gastrointestinal symptoms 141.