GlucagonReceptors, GlucagonElectric StimulationGlucagon-Secreting CellsElectric Stimulation TherapyInsulinStimulation, ChemicalDeep Brain StimulationPhysical StimulationLiverTranscranial Magnetic StimulationGlucoseSomatostatinCells, CulturedIslets of LangerhansBlood GlucoseRats, Inbred StrainsCyclic AMPGluconeogenesisEpinephrineHypoglycemiaProglucagonTime FactorsKineticsPancreasGlucagon-Like PeptidesCalciumDogsAdenylate CyclasePancreatic HormonesPancreatic PolypeptideSignal TransductionRats, Sprague-DawleyDose-Response Relationship, DrugGlucagon-Like Peptide 1Enzyme ActivationTranscutaneous Electric Nerve StimulationCell LineLiver GlycogenCatsNorepinephrinePhosphorylationRats, WistarRNA, MessengerIsoproterenolBucladesineReceptors, Gastrointestinal HormonePerfusionMuscle ContractionVagus NerveHormonesElectrodes, ImplantedPhotic StimulationCell MembraneAction PotentialsSecretinSecretory RateFastingAtropineMice, Inbred C57BLAcoustic StimulationPropranololVasopressinsLactatesGene Expression RegulationMolecular Sequence DataArginineC-PeptideEvoked PotentialsNeuronsPhentolamineSplanchnic NervesHyperglycemiaLymphocyte ActivationEvoked Potentials, MotorGastrointestinal HormonesSympathetic Nervous SystemGuinea PigsHydrocortisoneAdenoma, Islet CellFatty Acids, NonesterifiedAdenosine TriphosphateRabbitsSynaptic TransmissionColforsinReflexRadioimmunoassayEnzyme InhibitorsTheophyllinePeptidesElectromyographyPhenylephrineAmino AcidsMotor CortexSubthalamic NucleusAfferent PathwaysElectrophysiologyGastric Inhibitory PolypeptideMuscle, SkeletalPhosphorylases