- An anemia characterized by a decrease in hemoglobin in the blood related to rapid, massive hemorrhage.
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- A chronic, progressive anemia characterized by the production of megaloblasts, which are enlarged red blood cells with an immature nucleus.
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- A chronic anemia characterized by depleted iron stores and small, pale red blood cells lacking in hemoglobin.
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- Abnormal or premature destruction of red blood cells and the inability of the bone marrow to produce sufficient RBCs to compensate.
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- A reduction in the number of circulating red blood cells resulting from bone marrow failure and generally accompanied by agranulocytosis and/or thrombocytopenia.
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