| Definition: |
A neutrophil precursor in the granulocytic series, being a cell intermediate in development between a promyelocyte and a metamyelocyte; in this stage, production of primary granules is complete and neutrophil-specific granules has started. No nucleolus is present. This cell type is CD13-positive, CD16-negative, integrin alpha-M-positive, CD15-positive, CD33-positive, CD24-positive, C/EBP-a-positive, C/EBPe-positive, PU.1-positive, lactotransferrin-positive, myeloperoxidase-positive and NGAL-positive. |