Promyelocyte
Promyelocyte from bone marrow examination
Details
PrecursorMyeloblast
Gives rise toMyelocyte
LocationBone marrow
Identifiers
THH2.00.04.3.04003
Anatomical terms of microanatomy

A promyelocyte (or progranulocyte) is a granulocyte precursor, developing from the myeloblast and developing into the myelocyte. Promyelocytes measure 12–20 microns in diameter. The nucleus of a promyelocyte is approximately the same size as a myeloblast but their cytoplasm is much more abundant.[1] They also have less prominent nucleoli than myeloblasts and their chromatin is more coarse and clumped.[1] The cytoplasm is basophilic and contains primary red/purple granules.[1]

Additional images

References

  1. 1 2 3 "Promyelocyte – LabCE.com, Laboratory Continuing Education". www.labce.com. Retrieved 2018-11-21.
  2. Image by Mikael Häggström, MD. Reference for findings: Syed Zaidi, M.D. "APL with PML-RARA". APL with PML-RARA. Last author update: 1 February 2013
    Source image: File:Faggot cell in AML-M3.jpg from PEIR Digital Library (Pathology image database) (Public Domain)


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