Intestinal MucosaEpitheliumGastric MucosaIntestine, SmallMouth MucosaJejunumNasal MucosaIleumDuodenumColonIntestinesEpithelial CellsMucous MembraneEpithelium, CornealCeliac DiseaseIntestinal AbsorptionIntestinal DiseasesOlfactory MucosaEnterocytesSeminiferous EpitheliumMicrovilliImmunohistochemistrySucraseRetinal Pigment EpitheliumImmunity, MucosalBacterial TranslocationIntestine, LargeSwineRNA, MessengerIntestinal SecretionsGliadinRespiratory MucosaCaco-2 CellsMicroscopy, ElectronPeyer's PatchesColitis, UlcerativeInflammatory Bowel DiseasesEnteritisGlutensGerm-Free LifeDigestive SystemBacterial AdhesionCrohn DiseaseCecumPermeabilityRats, Inbred StrainsMice, Inbred C57BLMicroscopy, Electron, ScanningLaryngeal MucosaRabbitsMucinsRats, Sprague-DawleyIleitisColitisBiopsyOrgan Culture TechniquesRats, WistarHistocytochemistryDisaccharidasesReverse Transcriptase Polymerase Chain ReactionMetaplasiaCells, CulturedTime FactorsTracheaDisease Models, AnimalImmunoglobulin ALymphIn Situ HybridizationStomachMucusTrichostrongylosisLiverEsophagusGastrointestinal TractBronchiImmunoenzyme TechniquesTight JunctionsEnterocolitisIntestinal NeoplasmsCell DifferentiationAmine Oxidase (Copper-Containing)Mice, Inbred BALB CDiarrheaChlordanCorneaAdministration, OralProbioticsMicrosomesMice, KnockoutChloridesGene Expression RegulationBiological TransportAnimals, NewbornTissue DistributionPrecancerous ConditionsFluorescent Antibody TechniqueGoblet CellsMolecular Sequence DataAstragalus membranaceusSignal Transduction