JejunumIleumJejunal DiseasesIntestinal AbsorptionIntestine, SmallJejunal NeoplasmsIntestinal MucosaDuodenumIntestinal SecretionsIntestinesSucraseMicrovilliGastrointestinal MotilitySucrase-Isomaltase ComplexColonSodium-Glucose Transporter 1EnteritisJejunoileal BypassLactase-Phlorizin HydrolaseSwineDisaccharidasesEnterocytesPerfusionElectrolytesGastrointestinal ContentsMyoelectric Complex, MigratingDigestive SystemPhlorhizinStomachSerous MembraneEnteric Nervous SystemRats, WistarBiological TransportBlind Loop SyndromeJejunostomyGastrointestinal HormonesCecum