Chromaffin CellsChromaffin SystemChromaffin GranulesAdrenal MedullaCatecholaminesPC12 CellsAdrenal GlandsExocytosisCattleChromograninsPhenylethanolamine N-MethyltransferaseChromogranin ADopamine beta-HydroxylaseCalciumVeratridineDigitoninSecretory VesiclesCells, CulturedDimethylphenylpiperazinium IodideNicotineMuscarineTyrosine 3-MonooxygenasePara-Aortic BodiesEnterochromaffin CellsNorepinephrineEpinephrineEnkephalin, MethioninePheochromocytomaElectric CapacitanceReceptors, NicotinicBariumCalcium ChannelsMembrane PotentialsSynaptosomal-Associated Protein 25EnkephalinsKineticsCytoplasmic GranulesAdrenal Gland NeoplasmsChromogranin BPotassiumSplanchnic NervesProteidaePituitary Adenylate Cyclase-Activating PolypeptidePatch-Clamp TechniquesNicotinic AntagonistsCell Membrane PermeabilityNeuropeptidesAcetylcholineAnnexin A7Nerve Tissue ProteinsReserpineElectrochemistryCell MembraneFlunarizineCalcium Channel BlockersTetrabenazineNeurosecretionFura-2Membrane FusionCalcium RadioisotopesElectrophysiologyWasp VenomsCytosolTetanus ToxinIntracellular MembranesAmbystomatidaeHexamethonium CompoundsR-SNARE ProteinsSynaptotagmin IAdenosine TriphosphateEgtazic AcidAdrenal CortexVesicular Transport ProteinsGanglia, SympatheticMicroscopy, ElectronBotulinum Toxinsrab3 GTP-Binding ProteinsInterrenal GlandProtein Kinase CIntracellular FluidCalcium SignalingSynaptotagminsHistamineMunc18 ProteinsSpider VenomsNeurosecretory SystemsNicotinic AgonistsHexamethoniumNerve Growth FactorsElectric ConductivityMolecular Sequence DataNeuronsCalcium Channels, Q-TypeLarge-Conductance Calcium-Activated Potassium ChannelsNeurotransmitter AgentsMembrane Proteinsrab3A GTP-Binding ProteinNisoldipineCaffeineParasympathomimetics