The earliest of the immature forms recognizable as precursors of an erythrocyte, characterized by a large nucleus with nucleoli and by basophilic cytoplasm.
Origin
1920s. After Italian proeritroblasti.
Definition of proerythroblast in US English:
proerythroblast
noun
Physiology
The earliest of the immature forms recognizable as precursors of an erythrocyte, characterized by a large nucleus with nucleoli and by basophilic cytoplasm.