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normoblast
(nor´mo-blast)
a nucleated precursor cell in the erythrocytic series, specifically one in a normal course of erythrocyte maturation, as opposed to a megaloblast. The four developmental stages of the series are called pronormoblasts or proerythroblasts, basophilic normoblasts or erythroblasts, polychromatophilic (or polychromatic) normoblasts or erythroblasts, and orthochromatic normoblasts or erythroblasts. adj., normoblas´tic., adj.

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