abnormal eosinophil differentiation MP:0002443 MPheno.ontology abnormal eosinocyte differentiation abnormal eosinophil development abnormal eosinophilic leucocyte differentiation abnormal eosinophilic leukocyte differentiation abnormal polymorphonuclear leucocyte differentiation abnormal polymorphonuclear leukocyte differentiation atypical production of or inability to produce the immature or mature forms of a granular leukocyte with a nucleus that usually has two lobes connected by one or more slender threads of chromatin, and cytoplasm containing coarse, round granules that are uniform in size and which can be stained by the dye eosin and is involved in clearance of parasitic infections and in allergic reactions eosinophil abnormalities abnormal eosinophil morphology abnormal granulocyte differentiation