Intestinal MucosaIntestinal AbsorptionAbsorptionIntestine, SmallGastric MucosaJejunumMouth MucosaIleumDuodenumIntestinesColonNasal MucosaEnterocytesCeliac DiseaseMucous MembraneIntestinal DiseasesBiological AvailabilityMicrovilliCaco-2 CellsSkin AbsorptionSucraseIntestinal SecretionsSwineIntestine, LargeAdministration, OralEpitheliumLymphImmunity, MucosalBacterial TranslocationSpectrophotometry, AtomicDigestive SystemX-Ray Absorption SpectroscopyCecumBiological TransportIronGliadinRats, Inbred StrainsFecesPermeabilityRats, Sprague-DawleyGlutensKineticsEnteritisColitis, UlcerativeRats, WistarGerm-Free LifeInflammatory Bowel DiseasesLiverTime FactorsCrohn DiseaseEpithelial CellsDietZincSpectrophotometryRabbitsHydrogen-Ion ConcentrationMalabsorption SyndromesPeyer's PatchesRNA, MessengerDisaccharidasesMicroscopy, ElectronSpectrum AnalysisBacterial AdhesionSerous MembraneStomachGastrointestinal TractOlfactory MucosaIleitisColitisImmunohistochemistrySodiumZinc RadioisotopesImmunoglobulin ADiarrheaTissue DistributionMicrosomesMice, Inbred C57BLLaryngeal MucosaTrichostrongylosisWaterBile Acids and SaltsBiopsyPhytic AcidAmine Oxidase (Copper-Containing)BileIron RadioisotopesDisease Models, AnimalChromatography, High Pressure LiquidMicroscopy, Electron, ScanningDogsRandom AllocationTrioleinZinc IsotopesChloridesChlordanProbioticsEnterocolitisPerfusionSpectrophotometry, UltravioletCattle