Platelets are derived from which precursor cell?

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Multiple Choice

Platelets are derived from which precursor cell?

Explanation:
Platelets are produced in the bone marrow from megakaryocytes. Megakaryocytes are large, polyploid cells of the myeloid lineage that extend long cytoplasmic processes into bone marrow sinusoids; fragments of these processes break off as platelets in a process called thrombopoiesis. This production is mainly regulated by thrombopoietin. Erythroblasts develop into red blood cells, while monocytes and lymphocytes arise from other hematopoietic pathways, not platelets.

Platelets are produced in the bone marrow from megakaryocytes. Megakaryocytes are large, polyploid cells of the myeloid lineage that extend long cytoplasmic processes into bone marrow sinusoids; fragments of these processes break off as platelets in a process called thrombopoiesis. This production is mainly regulated by thrombopoietin. Erythroblasts develop into red blood cells, while monocytes and lymphocytes arise from other hematopoietic pathways, not platelets.

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