SomatostatinGlucagonReceptors, SomatostatinGlucoseReceptors, GlucagonBlood GlucoseOctreotideInsulinGlucose Tolerance TestLiverEnergy MetabolismLipid MetabolismSomatostatin-28Islets of LangerhansGlucose IntoleranceGlucagon-Secreting CellsHypoglycemiaGlucose Transporter Type 1Pancreatic HormonesGluconeogenesisPancreasGlucose OxidaseFastingRats, Inbred StrainsKineticsSomatostatin-Secreting CellsLactatesPancreatic PolypeptideGlucose Transporter Type 4HormonesDeoxyglucoseGastrinsLactic AcidGlycolysisFatty Acids, NonesterifiedGrowth HormoneLiver GlycogenGlucagon-Like PeptidesGlucagon-Like Peptide 1Glucose Transporter Type 2Neuroendocrine TumorsMonosaccharide Transport ProteinsTime FactorsMetabolismHypoglycemic AgentsDiabetes Mellitus, Type 2AcromegalyCyclic AMPDogsRNA, MessengerDose-Response Relationship, DrugGlycogenCells, CulturedC-PeptideProglucagonBlood Glucose Self-MonitoringGlycerolEpinephrinePeptides, CyclicGlucose 1-DehydrogenaseRats, Sprague-DawleyBiological TransportRats, WistarIndium RadioisotopesAdenoma, Islet CellHomeostasisDiabetes Mellitus, ExperimentalGastrointestinal HormonesGrowth Hormone-Releasing HormoneOxidation-ReductionMolecular Sequence DataPerfusionSecretinFructoseInsulin-Secreting CellsHuman Growth HormoneSecretory Rate3-Hydroxybutyric AcidDiabetes MellitusPituitary NeoplasmsPentetic AcidGlucose Transporter Type 3GlucokinaseAdenylate CyclaseCarcinoid TumorFatty AcidsOxygen ConsumptionCarbon IsotopesReceptors, NeurotransmitterHydroxybutyratesAdipose TissueKetone BodiesPyruvatesGlucose-6-PhosphatePostprandial PeriodModels, BiologicalGastric Inhibitory PolypeptideHexokinaseBody WeightTriglycerides