JejunumDuodenal NeoplasmsIntestine, SmallIleumIntestinal MucosaIntestinal AbsorptionJejunal DiseasesDuodenal DiseasesJejunal NeoplasmsGastrointestinal MotilityIntestinesStomachIntestinal SecretionsDuodenal ObstructionBrunner GlandsDuodenumMyoelectric Complex, MigratingMicrovilliDuodenoscopySucraseDigestive SystemColonDuodenitisPyloric AntrumPylorusPancreasDigestionGastrointestinal ContentsGastrointestinal TransitSwineEnterocytesMuscle, SmoothEnteritisGastric EmptyingSodium-Glucose Transporter 1MotilinRats, WistarDisaccharidasesSecretinIntubation, GastrointestinalGastrointestinal TractGastrointestinal HormonesBicarbonatesDigestive System Physiological PhenomenaSucrase-Isomaltase ComplexAnimal FeedPerfusionPancreaticoduodenectomyJejunostomyMyenteric PlexusEnteric Nervous SystemCecumEndoscopy, GastrointestinalRats, Inbred StrainsAmpulla of VaterIntestinal DiseasesRats, Sprague-DawleyDuodenal UlcerJejunoileal BypassCholecystokininHydrochloric AcidGastrointestinal HemorrhageEnteroendocrine CellsPancreatic JuiceIntestinal NeoplasmsLactase-Phlorizin HydrolaseRumenEpirizoleGastric MucosaBiological TransportCeliac DiseaseSerous MembraneElectrolytesChoristomaDuodenostomyVagotomyGlucagon-Like Peptide 2RNA, MessengerMelenaPeristalsisBethanecholMuscle ContractionHydrogen-Ion ConcentrationIntestinal FistulaAbomasumDogsIntestinal AtresiaIntestine, LargeGlucoseAnimals, SucklingSubmucous PlexusCommon Bile DuctWeaningWaterTime FactorsGallbladderEpitheliumCaco-2 CellsIleal NeoplasmsBile Acids and Salts