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basophilic normoblast, early erythroblast, early normoblast
basophilic normoblast, early erythroblast, early normoblast, prorubricyte
A nucleated immature erythrocyte, having cytoplasm generally similar to that of the earlier proerythroblast but sometimes even more basophilic, and usually regular in outline. The nucleus is still relatively large, but the chromatin strands are thicker and more deeply staining, giving a coarser appearance; the nucleoli have disappeared.