SynaptophysinExocytosisSynaptic VesiclesVesicle-Associated Membrane Protein 2Chromaffin CellsR-SNARE ProteinsChromograninsNerve Tissue ProteinsSynaptogyrinsSecretory VesiclesChromogranin ASynaptosomal-Associated Protein 25Carcinoma, NeuroendocrineCytoplasmic GranulesMembrane FusionChromaffin GranulesSynapsinsPC12 CellsImmunohistochemistryAdrenal MedullaMembrane ProteinsSynaptotagminsNeurosecretory SystemsCalciumSyntaxin 1SynapsesElectric CapacitanceSNARE ProteinsNeuronsPresynaptic Terminalsrab3 GTP-Binding ProteinsCatecholaminesCell MembraneParameciumVesicular Transport ProteinsNerve EndingsPhosphopyruvate HydrataseSynaptosomesHippocampusNeurotransmitter AgentsCells, CulturedGAP-43 ProteinNeurocytomaOrganellesPituitary Gland, PosteriorRats, Sprague-DawleyCarcinoid TumorNeoplasms, Complex and MixedEndocytosisCattleMicroscopy, ElectronFluorescent Antibody TechniqueDimethyl SuberimidateSynaptic TransmissionDynaminsMicroscopy, ImmunoelectronQa-SNARE ProteinsSpider VenomsCalcium-Binding ProteinsAcrosomeCell FractionationSubcellular FractionsVesicular Glutamate Transport ProteinsNeuroendocrine CellsParaganglioma, Extra-AdrenalBrain