Term Name:	mast cell granule
Synonyms:
Definition:	Coarse, bluish-black staining cytoplasmic granules, bounded by a plasma membrane and found in mast cells and basophils. Contents include histamine, heparin, chondroitin sulfates, chymase and tryptase.
Ontology:	GO: Cellular Component [GO:0042629]    QuickGO    AmiGO