Term Name:	mature basophil
Synonyms:	mature basophil leucocyte, mature basophil leukocyte, polymorphonuclear leucocyte, polymorphonuclear leukocyte
Definition:	A fully differentiated basophil, a granular leukocyte with an irregularly shaped, pale-staining nucleus that is partially constricted into two lobes, and with cytoplasm that contains coarse granules of variable size. Basophils contain vasoactive amines such as histamine and serotonin, which are released on appropriate stimulation.
Ontology:	Cell Ontology [CL:0000043]