NCIt definition : Immunohistochemical or enzyme cytochemical staining method to detect myeloperoxidase,
a lysosomal protein that has peroxidase enzyme activity and is present in granulocytic
and monocytic cells, but absent in lymphocytes.;
Alternative definition : CDISC: A microscopy staining method that utilizes hydrogen peroxide and a chromogenic
electron donor to stain for the presence of myeloperoxidase.;