Intestine, SmallCalcium CarbonateIntestinesIntestine, LargeCaco-2 CellsIntestinal MucosaIntestinal AbsorptionJejunumIleumHaptophytaColonPinctadaLithostathineDuodenumIsopodaColonic NeoplasmsCalcification, PhysiologicCarbonatesHT29 CellsIntestinal NeoplasmsSvalbardAntigens, CD98FlounderSymportersMicrovilliOceans and SeasRNA, MessengerSeawaterMolecular Sequence DataEnterocytesEpithelial CellsCephalexinIntestinal DiseasesHydrogen-Ion ConcentrationDigestive SystemEpitheliumCecumBiological TransportAntacidsBiological AvailabilityCalciumCalcium, DietaryAnthozoaBase SequenceGerm-Free LifePhosphorusLiverGastrointestinal MotilityBicarbonatesSwineTissue DistributionAmino Acid SequenceStomachAtmosphereAlkaline PhosphataseGene Expression RegulationSerous MembraneGastrointestinal TractPhosphatesMicroscopy, Electron, ScanningInvertebratesCarbon DioxideOrgan SpecificitySodiumPaneth CellsTime FactorsIntestinal SecretionsSucrasePlanktonEnteritisParathyroid HormonePolyaminesFermentationAnimals, SucklingGastrointestinal ContentsCell LineTumor Cells, CulturedMyenteric PlexusFecesReverse Transcriptase Polymerase Chain ReactionCell PolarityMice, Inbred C57BLDisaccharidasesDigestive System Physiological PhenomenaGastrointestinal TransitHypercalcemiaGene ExpressionHyperparathyroidism, SecondaryKineticsEnteric Nervous SystemDigestionRats, Inbred StrainsCrystallizationMesenteryGeologic SedimentsRats, Sprague-DawleyGastrointestinal HormonesBlotting, WesternImmunohistochemistryRats, Wistar