JejunumIleumIntestinal SecretionsJejunal DiseasesIntestinal AbsorptionIntestinal MucosaIntestine, SmallJejunal NeoplasmsDuodenumBodily SecretionsSecretory RateBacterial Secretion SystemsIntestinesInsulinGlucoseCells, CulturedChloridesSucraseColonGastric AcidMicrovilliIslets of LangerhansPerfusionRNA, MessengerGastrointestinal MotilityBicarbonatesRats, WistarBiological TransportPancreasSwineRats, Sprague-DawleyRats, Inbred StrainsGastric JuiceStomachTime FactorsDose-Response Relationship, DrugSecretinCalciumPancreatic JuiceSucrase-Isomaltase ComplexCell LineLuteinizing HormoneBacterial ProteinsMolecular Sequence DataGastrointestinal HormonesGastric MucosaElectrolytesSodium-Glucose Transporter 1EnteritisSecretory PathwaySodiumEnterocytesPentagastrinInsulin-Secreting CellsJejunoileal BypassKineticsBethanecholExocytosisMucusGastrinsBethanechol CompoundsStimulation, ChemicalLiverLactase-Phlorizin HydrolaseAmino Acid SequenceSerous MembraneSomatostatinDigestive SystemBile Acids and SaltsEnteroendocrine CellsEpitheliumEpithelial CellsGlucagonAmylasesVasoactive Intestinal PeptideBileMice, Inbred C57BLDogsGastrointestinal ContentsGlucose Transporter Type 2ProlactinDisaccharidasesSignal TransductionMyoelectric Complex, MigratingHydrogen-Ion ConcentrationPituitary GlandEnteric Nervous SystemPhlorhizinSheepCyclic AMPSecretory VesiclesCarbacholWaterPotassiumHistamineCaco-2 CellsBiological Transport, ActiveCarrier ProteinsReverse Transcriptase Polymerase Chain ReactionExocrine Glands