Which mammalian blood cell type undergoes the developmental event shown schematically in the following drawing as part of its maturation?
A) Monocyte
B) Megakaryocyte
C) Erythrocyte
D) Lymphocyte
E) Granulocyte

Question

Which mammalian blood cell type undergoes the developmental event shown schematically in the following drawing as part of its maturation? 
A) Monocyte 
B) Megakaryocyte 
C) Erythrocyte 
D) Lymphocyte 
E) Granulocyte

Quizplus · Accepted Answer

Erythroblasts extrude their nuclei (as shown in the diagram) to become immature erythrocytes (reticulocytes). In contrast to erythroblasts, the mitochondria-containing reticulocytes can enter the bloodstream. Reticulocytes lose their mitochondria within a day or two to become mature erythrocytes.

Which Mammalian Blood Cell Type Undergoes the Developmental Event Shown