Intestine, SmallIntestinesIntestine, LargeJejunumIntestinal MucosaIntestinal AbsorptionIleumDuodenal NeoplasmsDuodenumGastrointestinal MotilityIntestinal NeoplasmsStomachMicrovilliDigestive SystemDuodenal DiseasesColonEnterocytesIntestinal DiseasesDigestionGastrointestinal TransitIntestinal SecretionsBrunner GlandsSucraseMyoelectric Complex, MigratingDigestive System Physiological PhenomenaDuodenal ObstructionSwineGastrointestinal ContentsCecumJejunal NeoplasmsMyenteric PlexusGerm-Free LifePaneth CellsTissue DistributionGastrointestinal TractRNA, MessengerLiverEpitheliumDisaccharidasesSerous MembraneOrgan SpecificityAnimals, SucklingPancreasRats, Inbred StrainsEnteritisIleal NeoplasmsDuodenoscopyRats, WistarMuscle, SmoothGastrointestinal HormonesGastric EmptyingAnimal FeedCaco-2 CellsPylorusEnteroendocrine CellsSubmucous PlexusCholecystokininRats, Sprague-DawleyPeristalsisMice, Inbred C57BLRumenEnteric Nervous SystemJejunal DiseasesImmunohistochemistryIntubation, GastrointestinalCeliac DiseaseDuodenitisPyloric AntrumMolecular Sequence DataBiological TransportSecretinFecesPancreatic JuiceGuinea PigsAbomasumMesenteryInterstitial Cells of CajalTime FactorsEnteropeptidaseDietIntestinal PolypsAnimals, NewbornHydrogen-Ion ConcentrationStarchSodium-Glucose Transporter 1CattleEpithelial CellsAdministration, OralStomach, RuminantDiarrheaGlucose Transporter Type 5BileLactasePerfusionTrematode InfectionsBile Acids and SaltsGastric MucosaMucinsIntestinal ObstructionDogs