Chromaffin CellsChromaffin SystemAdrenal MedullaChromaffin GranulesAdrenal GlandsCatecholaminesCattleExocytosisCalciumPhenylethanolamine N-MethyltransferaseChromograninsVeratridineDigitoninChromogranin AAdrenal CortexDimethylphenylpiperazinium IodideDopamine beta-HydroxylaseCells, CulturedSecretory VesiclesMuscarineTyrosine 3-MonooxygenaseNicotineAdrenal Gland NeoplasmsEnterochromaffin CellsNorepinephrineReceptors, NicotinicEpinephrineAdrenal Gland DiseasesCalcium ChannelsMembrane PotentialsCell Membrane PermeabilityAcetylcholineSplanchnic NervesKineticsPatch-Clamp TechniquesPotassiumAdrenal InsufficiencyFura-2PC12 Cellsrab3A GTP-Binding ProteinElectrophysiologyCalcium RadioisotopesBariumNicotinic AntagonistsPheochromocytomaHexamethonium CompoundsCytoplasmic GranulesPituitary Adenylate Cyclase-Activating PolypeptideElectric CapacitanceGanglia, SympatheticNeuropeptidesMethacholine CompoundsHistamineSynaptosomal-Associated Protein 25ElectrochemistryCalcium Channel BlockersCell MembraneNerve Tissue ProteinsAdenosine TriphosphateEgtazic AcidProtein Kinase CAdrenal Cortex NeoplasmsSecretory RateIntracellular FluidCytosolCalcium Channels, Q-TypeTetanus ToxinCaffeineDose-Response Relationship, DrugDynamin ICalcium SignalingEnkephalinsMembrane FusionVesicular Transport ProteinsMethoxyfluraneReceptors, Muscarinicrab3 GTP-Binding ProteinsLarge-Conductance Calcium-Activated Potassium ChannelsInositol 1,4,5-TrisphosphateNeurotransmitter AgentsR-SNARE ProteinsSodiumElectric StimulationLanthanumInositol PhosphatesTime FactorsSoluble N-Ethylmaleimide-Sensitive Factor Attachment ProteinsAdrenal Hyperplasia, CongenitalIntracellular MembranesBotulinum ToxinsAction PotentialsMunc18 ProteinsTetradecanoylphorbol AcetateManganeseGuanosine 5'-O-(3-Thiotriphosphate)Qa-SNARE ProteinsThapsigarginEnkephalin, MethioninePotassium ChlorideIonomycin