Extensions from megakaryocytes that extend through blood vessel walls in red marrow are sliced off from the cells by the force of blood flow. These extensions are
A) reticulocytes.
B) promegakaryocytes.
C) myeloid stem cells.
D) late erythroblasts.
E) proplatelets.

Question

Quizplus · Accepted Answer

Proplatelets are extensions from megakaryocytes that extend through blood vessel walls in the red marrow and are sliced off by the force of blood flow to form platelets.

Extensions from Megakaryocytes That Extend Through Blood Vessel Walls in Red