The cell indicated by the arrow is a mature basophil. Notice that the granules obscure the nucleus so that it is difficult to see if it has more than one lobe. The large cell touching the basophil on the upper right is an eosinophilic myelocyte. In our laboratory, eosinophilic and basophilic myelocytes in the bone marrow are included in the differential cell count with the mature forms. Unless cells are designated differently, granulocytes are assumed to be neutrophilic.
Course Section: 04. Immature Cells in the Granulocytic - Monocytic - and Lymphocytic Series
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