nucleated erythrocyte


nucleated erythrocyte

A red cell with a nucleus, which is usually lysed before the reticulocyte stage of RBC maturation. Scattered nucleated erythrocytes are a normal finding in the peripheral blood of newborns, but distinctly abnormal in adults and seen in thalassemia major or leukoerythroblastic reactions; in the foetus, > 5/100 NRBCs in the circulation is typically seen with hypoxia.