pmn - polymorphonuclear acronym, concept on blackboard

pmn polymorphonuclear acronym concept blackboard abbreviation agranulocytes background basophils black blood board bone business category cells chalkboard cytoplasm definition education eosinophils granules granulocytes granulopoiesis hand health learn leukocyte lower marrow mast mononuclear neutrophil nucleus numbers parlance phrase presence science segments teaching term text three varying white word