Chromaffin CellsChromaffin SystemAdrenal MedullaChromaffin GranulesAdrenal GlandsCatecholaminesCattleExocytosisPhenylethanolamine N-MethyltransferaseChromograninsCalciumVeratridineDigitoninChromogranin AAdrenal CortexDimethylphenylpiperazinium IodideDopamine beta-HydroxylaseCells, CulturedSecretory VesiclesMuscarineTyrosine 3-MonooxygenaseNicotineAdrenal Gland NeoplasmsEnterochromaffin CellsReceptors, NicotinicNorepinephrineEpinephrineAdrenal Gland DiseasesCalcium ChannelsCell Membrane PermeabilityMembrane PotentialsSplanchnic NervesAdrenal InsufficiencyAcetylcholinePatch-Clamp TechniquesPotassiumPC12 CellsFura-2rab3A GTP-Binding ProteinKineticsBariumElectrophysiologyCalcium RadioisotopesPheochromocytomaHexamethonium CompoundsNicotinic AntagonistsPituitary Adenylate Cyclase-Activating PolypeptideElectric CapacitanceCytoplasmic GranulesGanglia, SympatheticMethacholine CompoundsNeuropeptidesSynaptosomal-Associated Protein 25ElectrochemistryHistamineCalcium Channel BlockersAdrenal Cortex NeoplasmsCell MembraneNerve Tissue ProteinsCalcium Channels, Q-TypeCaffeineProtein Kinase CTetanus ToxinIntracellular FluidDynamin IEgtazic AcidMethoxyfluraneEnkephalinsCytosolSecretory RateMembrane FusionVesicular Transport ProteinsAdenosine Triphosphaterab3 GTP-Binding ProteinsLarge-Conductance Calcium-Activated Potassium ChannelsReceptors, MuscarinicR-SNARE ProteinsAdrenal Hyperplasia, CongenitalSodiumSoluble N-Ethylmaleimide-Sensitive Factor Attachment ProteinsCalcium SignalingLanthanumDose-Response Relationship, DrugInositol 1,4,5-TrisphosphateMunc18 ProteinsInositol PhosphatesBotulinum ToxinsIntracellular MembranesManganeseTetradecanoylphorbol AcetateElectric StimulationGuanosine 5'-O-(3-Thiotriphosphate)Qa-SNARE ProteinsAction PotentialsDynaminsEnkephalin, MethionineGuanylyl ImidodiphosphatePara-Aortic BodiesNeurotransmitter AgentsAcetylcholinesterase