RectumIntestine, SmallIntestinesIntestine, LargeRectal NeoplasmsRectal DiseasesIntestinal MucosaColonJejunumIleumIntestinal AbsorptionAnal CanalProctoscopyIntestinal PolypsDuodenumSigmoid NeoplasmsDigestive SystemIntestinal NeoplasmsColon, SigmoidCecumMegacolonGastrointestinal MotilityColonic NeoplasmsProctitisIntestinal DiseasesRectal ProlapseAdministration, RectalColostomyMicrovilliGastrointestinal TractColorectal NeoplasmsEnterocytesColonoscopyDefecationGastrointestinal TransitCecal NeoplasmsDigestive System Surgical ProceduresFecesStomachColitis, UlcerativeAdenocarcinomaSigmoidoscopyIleostomyGastrointestinal HemorrhageMyenteric PlexusColectomyColonic DiseasesSwineAdenomaEnemaEnteric Nervous SystemRadiotherapy Planning, Computer-AssistedEnteritisTissue DistributionConstipationDigestive System NeoplasmsGastrointestinal NeoplasmsSurgical StaplersAdenoma, VillousMuscle, SmoothTime FactorsImmunohistochemistryGerm-Free LifeRNA, MessengerIntestinal ObstructionLiverOrgan SpecificityEpitheliumAnus, ImperforatePerineumAnastomosis, SurgicalBrachytherapySerous MembraneMolecular Sequence DataUlcerRadiotherapy DosageOrgans at RiskColon, TransversePelvisRectovaginal FistulaCaco-2 CellsPaneth CellsChickensIntestinal SecretionsIleal NeoplasmsSucraseNeoplasms, Multiple PrimaryPolypsColonic PolypsColon, DescendingEnteroendocrine CellsMice, Inbred C57BLVaginaPolyphloretin PhosphateCrohn DiseaseUrinary BladderAnimals, SucklingIntestinal PerforationFecal IncontinenceGastrointestinal Contents