Pigments, BiologicalMelanocytesPigment Epithelium of EyeRetinal PigmentsMelaninsVitiligoMonophenol MonooxygenaseMelanosomesSkin PigmentationPigmentationMicrophthalmia-Associated Transcription FactorMelanomaHair ColorBile PigmentsChromatophoresNevusalpha-MSHHypopigmentationEndothelin-3Pigmentation DisordersSkinMelanophoresCells, CulturedIntramolecular OxidoreductasesHyperpigmentationEpidermisAgouti Signaling ProteinMelanocyte-Stimulating HormonesUltraviolet RaysNeural CrestReceptor, Melanocortin, Type 1Uvea