Osteoclasts, also nonhematopoietic cells, are large cells of the bone marrow. They are about the size of a large megakaryocyte. They differ from megakaryocytes in that they have round, unconnected nuclei. Each nucleus contains one nucleolus. Usually the cytoplasm is more blue than that of the megakaryocyte. Both of the cells, megakaryocytes and osteoclasts, may contain azurophilic granules.
Course Section: 06. Microscopic Examination of the Bone Marrow
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