Chromaffin CellsExocytosisChromaffin SystemAdrenal MedullaChromaffin GranulesSecretory VesiclesAdrenal GlandsCatecholaminesSynaptic VesiclesCattleChromograninsPC12 CellsSynaptotagminsCalciumrab2 GTP-Binding ProteinVesicular Biogenic Amine Transport ProteinsVesicular Transport ProteinsReceptor-Like Protein Tyrosine Phosphatases, Class 8NeurosecretionNeuropeptidesNerve Tissue ProteinsCytoplasmic GranulesPhenylethanolamine N-MethyltransferaseCells, CulturedSynaptosomal-Associated Protein 25Chromogranin AMembrane FusionCalcium-Binding ProteinsDigitoninVeratridineVesicular Acetylcholine Transport ProteinsNeurotransmitter AgentsQa-SNARE ProteinsAdrenal CortexCell MembraneVesicular Monoamine Transport ProteinsInvertebrate HormonesDimethylphenylpiperazinium Iodiderab3A GTP-Binding ProteinSynaptotagmin IDopamine beta-HydroxylaseMicroscopy, ElectronSNARE ProteinsSyntaxin 1Munc18 ProteinsPresynaptic TerminalsR-SNARE ProteinsMuscarineNeuronsSynaptic MembranesTyrosine 3-Monooxygenaserab3 GTP-Binding ProteinsNicotineMembrane ProteinsCytoplasmic VesiclesMicroscopy, ImmunoelectronAdrenal Gland NeoplasmsVesicle-Associated Membrane Protein 2Caenorhabditis elegans ProteinsEnterochromaffin CellsTetanus ToxinCarrier ProteinsCalcium ChannelsKineticsNorepinephrinePyridinium CompoundsReceptors, NicotinicPatch-Clamp TechniquesElectric CapacitanceEpinephrineCell Membrane PermeabilityMembrane PotentialsEndocytosisAdrenal Gland DiseasesMembrane GlycoproteinsBotulinum ToxinsMolecular Sequence DataPotassiumSplanchnic NervesCaenorhabditis elegansAcetylcholineTransport VesiclesAmino Acid SequenceElectrophysiologyAdrenal InsufficiencyFura-2BariumCalcium RadioisotopesPheochromocytomaSpider VenomsNicotinic AntagonistsHexamethonium CompoundsPituitary Adenylate Cyclase-Activating PolypeptideElectrochemistryGanglia, SympatheticAdenosine TriphosphateMethacholine CompoundsEgtazic AcidProtein Kinase CCalcium Channel Blockers