GlucagonReceptors, GlucagonGlucagon-Secreting CellsInsulinLiverSomatostatinBlood GlucoseIslets of LangerhansProglucagonHypoglycemiaGlucoseGluconeogenesisGlucagon-Like PeptidesPancreatic HormonesPancreasPancreatic PolypeptideEpinephrineGlucagon-Like Peptide 1Rats, Inbred StrainsLiver GlycogenCyclic AMPAdenylate CyclaseReceptors, Gastrointestinal HormoneKineticsDogsFastingHormonesC-PeptideSecretinHyperglycemiaAdenoma, Islet CellLactatesBucladesineTime FactorsPerfusionSomatostatin-Secreting CellsGlucagonomaFatty Acids, NonesterifiedArginineMolecular Sequence DataGastrointestinal HormonesOxyntomodulin3-Hydroxybutyric AcidGastric Inhibitory PolypeptideSecretory RateAmino AcidsKetone BodiesPhosphorylasesVasopressinsRadioimmunoassayDose-Response Relationship, DrugDiabetes Mellitus, ExperimentalHydrocortisoneCells, CulturedHydroxybutyratesGlycogenolysisInsulin-Secreting CellsGlycerolPeptides