| umls-concept:C1820200 | skos:definition | GO: A small, subcellular membrane-bounded vesicle containing pigment and/or pigment precursor molecules. Pigment granule biogenesis is poorly understood, as pigment granules are derived from multiple sources including the endoplasmic reticulum, coated vesicles, lysosomes, and endosomes. [GOC:jid, GOC:mh] | lld:umls |
