Part of anemia: Polychromasia means lots of immature red blood cells in the blood stream . When red blood cells don't have enough nutrients they can be smaller (microcyte) or bigger (macrocyte) than usual. Microcytes + anemia is usually due to iron deficiency. Polychromasia means lots of immature red blood cells are in the blood. It's a a normal response to anemia due to the bone marrow revving up production.
Answered 10/20/2016
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