Intestinal MucosaGastric MucosaIntestine, SmallMouth MucosaJejunumIleumDuodenumNasal MucosaColonIntestinesIntestinal AbsorptionCeliac DiseaseMucous MembraneIntestinal DiseasesEnterocytesSucraseMicrovilliImmunity, MucosalBacterial TranslocationSwineIntestinal SecretionsIntestine, LargeGliadinEpitheliumInflammatory Bowel DiseasesEnteritisColitis, UlcerativeGlutensGerm-Free LifeCrohn DiseaseCaco-2 CellsPeyer's PatchesCecumEpithelial CellsDigestive SystemBacterial AdhesionRats, Inbred StrainsOlfactory MucosaPermeabilityIleitisDisaccharidasesColitisRats, WistarMicroscopy, ElectronLymphRNA, MessengerLaryngeal MucosaTrichostrongylosisImmunohistochemistryImmunoglobulin ARats, Sprague-DawleyLiverBiopsyMicrosomesAmine Oxidase (Copper-Containing)ChlordanEnterocolitisRabbitsDiarrheaGastrointestinal TractStomachTime FactorsProbioticsMice, Inbred C57BLAdministration, OralBiological TransportDisease Models, AnimalSerous MembraneMucinsAstragalus membranaceusJaundice, ObstructiveMicroscopy, Electron, ScanningMesenteryIntestinal NeoplasmsJejunal DiseasesUlcerMucusKineticsProtein DeficiencyHistocytochemistryDesulfovibrionaceae InfectionsCholera ToxinRandom AllocationAlkaline PhosphataseGastrointestinal HormonesFecesMice, Inbred BALB CEscherichia coli InfectionsLactobacillusDextran SulfateAbsorptionEnterotoxinsDogsLeucyl AminopeptidaseColonic NeoplasmsImmunoglobulin A, SecretoryTrichostrongyloidiasisAstragalus PlantMolecular Sequence DataReverse Transcriptase Polymerase Chain Reaction