IleumJejunumIntestine, SmallIntestinal MucosaIntestinal AbsorptionGuinea PigsJejunal DiseasesDuodenumMyenteric PlexusMuscle, SmoothIntestinesIleal DiseasesIleitisGastrointestinal MotilityJejunal NeoplasmsColonIntestinal SecretionsMuscle ContractionIleal NeoplasmsMicrovilliSucraseSwineGastrointestinal ContentsEnteritisCecumDigestive SystemAtropinePeristalsisSerous MembraneIntestinal DiseasesDiphenylacetic AcidsEnteric Nervous SystemEnterocytesSucrase-Isomaltase ComplexIleocecal ValveSodium-Glucose Transporter 1Jejunoileal BypassGastrointestinal TractRats, WistarGastrointestinal TransitStomachDisaccharidasesAcetylcholinePerfusionGlucagon-Like Peptide 2RabbitsSodiumLactase-Phlorizin HydrolaseMyoelectric Complex, MigratingElectric StimulationBiological TransportCrohn DiseaseDigestionAnimal FeedIntestine, LargeChloridesElectrolytesGastrointestinal HormonesRats, Inbred Strains