Mpf

Figure 9.2 Promyelocyte. Prominent nuclei, prominent nonspecific granules, and slightly coarse nuclear chromatin.

Chromatin: Oval indented nucleus, denser, red-purple with slight granular appearance, coarser, clumped appearance

Cytoplasm: Specific granules present, neutrophilic granules are dusty, fine, and red-blue; eosino-philic granules are large red-orange, and singular; basophil granules are large, deep blue-purple

Last stage capable of dividing

Differentiating characteristic: Small pink-purple granules for the neutrophilic myelocyte, nucleus stains deeper color, granular pattern to the chromatin (Fig. 9.3).

CD45, CD33, CD13, CD15, CD11b/11c

Metamyelocyte

Size: 10 to 15 pm

Figure 9.3 Myelocyte. Oval indented nucleus with small, specific granules, granular pattern to the chromatin.

Figure 9.3 Myelocyte. Oval indented nucleus with small, specific granules, granular pattern to the chromatin.

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