Chromaffin SystemChromaffin CellsChromaffin GranulesAdrenal MedullaCatecholaminesAdrenal GlandsCattleExocytosisChromograninsChromogranin ADopamine beta-HydroxylasePhenylethanolamine N-MethyltransferaseVeratridineCalciumSecretory VesiclesDigitoninPara-Aortic BodiesCells, CulturedDimethylphenylpiperazinium IodideNicotineEnkephalin, MethionineNorepinephrineTyrosine 3-MonooxygenaseEpinephrineMuscarineCytoplasmic GranulesChromogranin BEnkephalinsEnterochromaffin CellsParaganglia, ChromaffinPheochromocytomaIntracellular MembranesAnnexin A7TetrabenazineKineticsReserpinePC12 CellsElectric Capacitance