ExocytosisParticle SizeSecretory VesiclesChromaffin CellsCytoplasmic GranulesSynaptotagminsSNARE ProteinsCalciumSynaptic VesiclesElectric CapacitanceVesicular Transport ProteinsMicroscopy, ElectronSynaptosomal-Associated Protein 25Cell MembraneWeibel-Palade BodiesMembrane FusionVirionR-SNARE Proteinsrab3A GTP-Binding ProteinQa-SNARE ProteinsAcrosomeSyntaxin 1rab3 GTP-Binding ProteinsSynaptotagmin IPC12 CellsMunc18 ProteinsPyridinium CompoundsCells, CulturedEndocytosisSignal Recognition ParticleCell LineNerve Tissue ProteinsFreeze FracturingVesicle-Associated Membrane Protein 2Membrane Proteinsrab GTP-Binding ProteinsNanoparticlesMolecular Sequence DataKineticsTetanus ToxinVirus AssemblyAcrosome ReactionAdrenal MedullaCattleAerosolsMicroscopy, Electron, TransmissionChromaffin GranulesTransport VesiclesVaccines, Virus-Like ParticleMicroscopy, FluorescenceSpider VenomsAmino Acid SequenceSubmitochondrial ParticlesIslets of LangerhansParameciumN-Ethylmaleimide-Sensitive ProteinsModels, BiologicalBotulinum ToxinsQc-SNARE ProteinsQb-SNARE ProteinsCalcium-Binding ProteinsMicrospheresQuaternary Ammonium CompoundsSynaptotagmin IICalcium SignalingPresynaptic TerminalsMicroscopy, ConfocalParticulate MatterProtein BindingCentrifugation, Density GradientTime FactorsCytoplasmic VesiclesCatecholaminesRecombinant Fusion ProteinsGoldfishNeurotransmitter AgentsProtein TransportMicroscopy, Electron, ScanningCapsidFluorescent DyesCell Membrane PermeabilityLysosomesIonophoresGreen Fluorescent ProteinsCarrier ProteinsMutationAlpha ParticlesVesicle-Associated Membrane Protein 3Silicon DioxideLatexCapsid ProteinsInsulinSoluble N-Ethylmaleimide-Sensitive Factor Attachment ProteinsDefective VirusesPatch-Clamp TechniquesColloidsInclusion Bodies, ViralChromaffin SystemOvumAdenosine Triphosphate