Intestinal AbsorptionAbsorptionJejunumCaco-2 CellsBiological AvailabilityStrontium IsotopesIntestine, SmallIntestinesIleumMalabsorption SyndromesCalcium IsotopesDuodenumBiological TransportLymphAdministration, OralIntestinal MucosaAdjuvants, PharmaceuticSitosterolsXyloseFecesSerous MembraneAzetidinesP-GlycoproteinCephalexinBileTerfenadineBile Acids and SaltsPerfusionHartnup DiseaseSelenious AcidRats, WistarSymportersLymphatic SystemEnterocytesTrioleinEnterohepatic CirculationDipeptidesgamma-Glutamyl HydrolaseMicrovilliDietShort Bowel SyndromeSkin AbsorptionBiological Transport, ActiveRats, Sprague-DawleyFlavanonesPhytosterolsPermeabilityCholesterolZincSelenic AcidIronChromatography, High Pressure LiquidEmulsionsWaterCholecalciferolArbutinDihydroxycholecalciferolsChylomicronsLiverProdrugsOxalic AcidPteroylpolyglutamic AcidsHydroxycholecalciferolsCalcium, DietarySodiumParenteral Nutrition, HomeArea Under CurveGlucuronidesSpectrophotometry, AtomicIntestinal SecretionsPhosphorusX-Ray Absorption SpectroscopyDose-Response Relationship, DrugInjections, IntravenousCalcium RadioisotopesKineticsCefiximeDrug InteractionsProton-Coupled Folate TransporterHydrogen-Ion ConcentrationDiarylheptanoidsDietary FatsForsythiaCholesterol, DietaryFolic AcidAnticholesteremic AgentsFatsMagnesium OxideSodium-Glucose Transporter 1Taurocholic AcidPharmacokineticsMicellesPostgastrectomy SyndromesRats, Inbred StrainsMembrane Transport ProteinsColonTime FactorsCalciumFatty AcidsTritium