Intestinal AbsorptionAbsorptionCalcium SignalingJejunumCaco-2 CellsBiological AvailabilityStrontium IsotopesCalcium, DietaryCalcium IsotopesIntestine, SmallCalcium ChannelsIntestinesIleumBiological TransportMalabsorption SyndromesDuodenumLymphAdministration, OralCalcium CarbonateIntestinal MucosaAdjuvants, PharmaceuticCalcium RadioisotopesSitosterolsFecesXyloseRats, WistarSerous MembraneAzetidinesBileP-GlycoproteinPerfusionCephalexinTerfenadineCalcium PhosphatesRats, Sprague-DawleyBile Acids and SaltsPhosphorusBiological Transport, ActiveSelenious AcidDietHartnup DiseaseSymportersCalcium ChlorideEnterocytesKineticsLymphatic SystemDipeptidesTrioleinEnterohepatic CirculationCholecalciferolMicrovilliSodiumgamma-Glutamyl HydrolaseZincDose-Response Relationship, DrugPermeabilityShort Bowel SyndromeSkin AbsorptionFlavanonesCholesterolIronTime FactorsOxalic AcidHydrogen-Ion ConcentrationPhytosterolsWaterChromatography, High Pressure LiquidHydroxycholecalciferolsCalcium Channels, L-TypeSelenic AcidCalcium OxalateVerapamilLiverEmulsionsSpectrophotometry, AtomicArbutinCalcium GluconateDihydroxycholecalciferolsRats, Inbred StrainsChylomicronsMagnesiumProdrugsDrug InteractionsPteroylpolyglutamic AcidsCell Membrane PermeabilityStrontiumArea Under CurveParenteral Nutrition, HomeOxalatesIntestinal SecretionsGlucuronidesInjections, IntravenousX-Ray Absorption SpectroscopyDietary FatsHypocalcemiaCefiximeProton-Coupled Folate TransporterDiarylheptanoidsCholesterol, DietaryMinerals