IleumGuinea PigsGastrointestinal ContentsMuscle, SmoothMyenteric PlexusIleal DiseasesIleitisIntestine, SmallIntestinal MucosaMuscle ContractionIntestinal AbsorptionIleal NeoplasmsIntestinesColonDuodenumSwineGastrointestinal MotilityCecumBase CompositionDiphenylacetic AcidsIleocecal ValveAtropineRabbitsRats, WistarFatty AcidsTime FactorsAnimal FeedAcetylcholineLiverMolecular Sequence DataDigestionRats, Inbred StrainsPeristalsisRats, Sprague-DawleyDietElectric StimulationWaterDose-Response Relationship, DrugAmino AcidsMicrovilliHistaminePhylogenyDigestive SystemIntestinal SecretionsRNA, MessengerRNA, Ribosomal, 16SVas Deferens