SynaptophysinChromaffin SystemChromaffin CellsChromaffin GranulesAdrenal MedullaChromograninsCatecholaminesChromogranin ASynaptic VesiclesExocytosisCattleAdrenal GlandsVesicle-Associated Membrane Protein 2SynaptogyrinsNerve Tissue ProteinsCarcinoma, NeuroendocrineDopamine beta-HydroxylaseSynapsinsR-SNARE ProteinsPhenylethanolamine N-MethyltransferaseImmunohistochemistryCells, CulturedNeurosecretory SystemsMembrane ProteinsPC12 CellsCalciumNeuronsSynapsesVeratridinePheochromocytomaSynaptosomal-Associated Protein 25GAP-43 ProteinPhosphopyruvate HydrataseSynaptotagminsSecretory VesiclesDigitoninPara-Aortic BodiesAdrenal Gland NeoplasmsCytoplasmic GranulesNeuroendocrine CellsParaganglioma, Extra-AdrenalNeurocytomaHippocampusDimethylphenylpiperazinium IodideIntracellular MembranesMicroscopy, ElectronCell FractionationCarcinoid TumorNeoplasms, Complex and MixedFluorescent Antibody TechniquePresynaptic TerminalsDimethyl SuberimidateOrganellesNicotineRats, Sprague-DawleyEnkephalin, MethionineNeuropeptidesrab3 GTP-Binding ProteinsNeurofilament ProteinsNorepinephrineTyrosine 3-MonooxygenaseNerve EndingsMicroscopy, ImmunoelectronEpinephrineSyntaxin 1Subcellular FractionsVesicular Glutamate Transport ProteinsMuscarineVesicular Transport ProteinsSpider VenomsNeurotransmitter Agents