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Which of the following is the largest cell in the bone marrow?

  • A.Lymphocyte
  • B.Megakaryocyte
  • C.Monocyte
  • D.Neutrophil

Answer: B

The largest cell in the bone marrow is the Megakaryocyte.

Megakaryocytes are giant cells, often 50 to 100 micrometres across, with a large lobed nucleus. Fragments of their cytoplasm break off to form the platelets that circulate in the blood.

Lymphocytes and neutrophils are far smaller white blood cells. Monocytes are the largest cells in normal circulating blood, which is the usual trap, but they are much smaller than megakaryocytes.

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