Cytoplasmic GranulesSecretory VesiclesChromograninsExocytosisChromogranin BChromogranin AChromaffin GranulesMicroscopy, ElectronSecretogranin IIMast CellsProinsulinParotid GlandIslets of LangerhansPC12 CellsMicroscopy, ImmunoelectronGolgi ApparatusPituitary Gland, AnteriorThiamine PyrophosphataseInsulinomaExocrine GlandsCarboxypeptidase HNeurosecretory SystemsPituitary Glandrab3 GTP-Binding ProteinsChymasesChromaffin CellsHistocytochemistryReceptor-Like Protein Tyrosine Phosphatases, Class 8Cell FractionationProprotein Convertase 2Cell DegranulationPancreasChromaffin SystemAdrenal MedullaAdenoma, Islet CellInsulinAmylasesCalciumCell MembraneSubcellular FractionsIntracellular MembranesCerebellumCarboxypeptidases AProprotein Convertase 1Adrenocorticotropic HormoneImmunohistochemistryPro-OpiomelanocortinSynaptotagminsCattleMolecular Sequence DataCells, CulturedSubtilisinsPituitary Gland, PosteriorNeuroendocrine CellsCell CompartmentationEndocrine SystemAmino Acid SequenceVesicular Transport ProteinsMicroscopy, FluorescenceMembrane FusionProtein PrecursorsOrganellesNeuroendocrine Secretory Protein 7B2Membrane ProteinsLysosomesProtein Processing, Post-Translationalrab GTP-Binding ProteinsCell LineHydrogen-Ion ConcentrationSubmandibular GlandTryptasesProtein TransportEndocrine GlandsSerine Endopeptidasestrans-Golgi NetworkDentate GyrusR-SNARE ProteinsEnzyme PrecursorsFluorescent Antibody TechniqueCarboxypeptidasesFurinbeta-LipotropinCentrifugation, Density GradientWeibel-Palade BodiesGreen Fluorescent ProteinsNerve Tissue ProteinsMicroscopy, Electron, TransmissionKineticsProteinsEndoplasmic ReticulumInsulin-Secreting CellsBiological TransportSyntaxin 1Electron Probe MicroanalysisRecombinant Fusion ProteinsLuminescent ProteinsNeuropeptidesCytoplasmEndoplasmic Reticulum, RoughCorticotrophs