Chromaffin GranulesChromaffin SystemAdrenal MedullaChromaffin CellsCattleAdrenal GlandsCatecholaminesEnkephalinsExocytosisDopamine beta-HydroxylaseAdrenal CortexChromograninsCytoplasmic GranulesCalciumDimethylphenylpiperazinium IodideChromogranin AVeratridineDigitoninCells, CulturedTyrosine 3-MonooxygenaseMuscarineEnterochromaffin CellsNicotineReceptors, NicotinicKineticsCalcium RadioisotopesNorepinephrinePhenylethanolamine N-MethyltransferaseIntracellular MembranesAdrenal Gland NeoplasmsMethoxyfluraneFura-2PotassiumSecretory VesiclesHistamineAdenosine TriphosphateCalcium ChannelsCarboxypeptidase HAdrenal Gland DiseasesCell Membrane PermeabilityAcetylcholineMembrane PotentialsCell MembraneTetrabenazineNicotinic AntagonistsEnkephalin, MethionineEpinephrineEgtazic AcidReserpineAdrenal InsufficiencyChromogranin BCaffeineCell Fractionation