Intestine, SmallIntestinesIntestine, LargeIntestinal MucosaJejunumIntestinal AbsorptionIleumCesarean SectionDuodenumIntestinal NeoplasmsFrozen SectionsMicrovilliColonIntestinal DiseasesEnterocytesDigestive SystemGastrointestinal MotilitySucrasePaneth CellsSwineStomachCecumGerm-Free LifeTissue DistributionImmunohistochemistryRNA, MessengerLiverMyenteric PlexusGastrointestinal TransitSerous MembraneJejunal NeoplasmsIntestinal SecretionsGastrointestinal ContentsDigestionOrgan SpecificityEpitheliumEnteritisDigestive System Physiological PhenomenaRats, Inbred StrainsDisaccharidasesIleal NeoplasmsAnimals, SucklingMice, Inbred C57BLGastrointestinal TractMolecular Sequence DataRats, Sprague-DawleyRats, WistarCaco-2 CellsSubmucous PlexusBiological TransportMyoelectric Complex, MigratingMicroscopy, ElectronMesenteryPeristalsisTime FactorsGastrointestinal HormonesAnimals, NewbornEnteric Nervous SystemEpithelial CellsFecesPeyer's PatchesInterstitial Cells of CajalHistocytochemistryGuinea PigsSucrase-Isomaltase ComplexCeliac DiseaseJejunal DiseasesMuscle, SmoothRabbitsEnteroendocrine CellsMicrotomyBase SequenceReceptors, CCRDiarrheaSodium-Glucose Transporter 1Amino Acid SequenceKidneyMucinsMice, KnockoutLactase-Phlorizin HydrolaseStarchDietAnimal FeedLactaseGlucose Transporter Type 5IleostomyGoblet CellsAdministration, OralPhlorhizinTrichinellosisTrematode InfectionsPregnancyCholecystokininIntestinal ObstructionPerfusionDisease Models, AnimalIntubation, GastrointestinalBile Acids and SaltsMice, Inbred BALB CGene Expression Regulation