GluconeogenesisSomatostatinGlucagonReceptors, SomatostatinGlucoseBlood GlucoseReceptors, GlucagonOctreotideLiverInsulinLactatesPhosphoenolpyruvate Carboxykinase (GTP)Glucose Tolerance TestGlucose-6-PhosphatasePyruvatesPhosphoenolpyruvate Carboxykinase (ATP)FastingLiver GlycogenLactic AcidGlycogenDihydroxyacetoneGlycogenolysisGlucose IntoleranceGlycerolKetone BodiesSomatostatin-28Pyruvic AcidHypoglycemiaGlucagon-Secreting CellsIslets of LangerhansGlycolysisRats, Inbred StrainsPyruvate KinaseStarvationAlanineHydroxybutyratesFatty Acids, NonesterifiedFructose-BisphosphataseTriosesPyruvate CarboxylasePerfusionAcetoacetatesDeuterium OxidePancreasPancreatic HormonesKinetics3-Hydroxybutyric AcidCitric Acid CycleHormonesGlucose OxidaseGlucose Transporter Type 1EpinephrineHypoglycemic AgentsOxaloacetatesPicolinic AcidsSomatostatin-Secreting CellsMethenamineC-PeptideDiabetes Mellitus, Type 2Glucose Transporter Type 2Pancreatic PolypeptideCyclic AMPFructoseGlucokinaseGlucose Transporter Type 4GastrinsHepatocytesCarbon IsotopesGrowth HormoneCarbohydrate MetabolismGlucose-6-PhosphateDiabetes Mellitus, ExperimentalMonosaccharide Transport ProteinsGlucagon-Like PeptidesNeuroendocrine TumorsGlutamineGlucagon-Like Peptide 1Amino AcidsTime FactorsRats, WistarDeoxyglucoseMalatesAminooxyacetic AcidHomeostasisHyperglycemiaRats, Sprague-DawleyAcromegalyQuinolinic AcidsCells, CulturedPhosphoenolpyruvateDose-Response Relationship, DrugRNA, MessengerBlood Glucose Self-MonitoringEnergy MetabolismProglucagonPropionatesHyperinsulinismDogsPeptides, CyclicFructosediphosphates