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  • bone marrow smear showing myelocytes
Cell
myelocyte
[ mahy-uh-luh-sahyt ]
Etymology:
Greek myelos = marrow + kytos = vessel or cell
A family of leukocytes formed in the bone marrow.
Definitions related to myelocytes:
  • A cell derived from a promyelocyte. It differentiates into a metamyelocyte. It has a diameter of 10-18 micrometer, and an oval or round nucleus with finely granulated chromatin.
    NCI
    U.S. National Cancer Institute, 2021
  • Precursor in the granulocytic series; in this stage, differentiation into specific cytoplasmic granules has begun.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Myelocyte, stage in the development of the granulocytic series of white blood cells (leukocytes) in which granules first appear in the cell cytoplasm. The myeloblast, a precursor, develops into a promyelocyte, identified by a slightly indented nucleus displaced to one side of the cell. The...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.

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