granulocyte morphology trait eosinophil morphology trait eosinophilic leucocyte morphology trait eosinocyte morphology trait Any measurable or observable characteristic related to the shape, structure, color, or pattern of the immature or mature form 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; involved in clearance of parasitic infections and in allergic reactions. VT:0005061 polymorphonuclear leucocyte morphology trait Trait.ontology EFO:0803540 eosinophilic leukocyte morphology trait polymorphonuclear leukocyte morphology trait