The erythroblast is a precursor cell of red blood cells.

Erythroblasts are immature red blood cells.

The patient's blood test showed an increased number of erythroblastic cells.

Erythroblastosis is a condition characterized by the presence of immature red blood cells in the bloodstream.

Erythroblastosis fetalis is a condition that occurs when a mother's blood type is Rh negative and her baby's blood type is Rh positive.

Erythroblastosis neonatorum is a condition in which the red blood cells of a newborn baby are destroyed by the mother's antibodies.

The erythroblastotic patient required a blood transfusion.

The doctors diagnosed several cases of erythroblastoses in the hospital.

Erythroblastopenia is a rare blood disorder characterized by a decrease in the number of erythroblasts in the bone marrow.

Erythroblastemia is a rare blood disorder characterized by an excessive production of erythroblasts.