IleumGuinea PigsMolecular Sequence DataAmino Acid SequenceMuscle, SmoothMyenteric PlexusIleal DiseasesBase SequenceIleitisIntestine, SmallIntestinal MucosaPortion SizeMuscle ContractionIleal NeoplasmsIntestinal AbsorptionDuodenumIntestinesCloning, MolecularColonRabbitsGastrointestinal MotilitySwineIleocecal ValveDiphenylacetic AcidsEscherichia coliAtropineBinding SitesRNA, MessengerTime FactorsKineticsVas DeferensElectric StimulationMicroscopy, ElectronAcetylcholineDNARecombinant Fusion ProteinsPeptide FragmentsMutationCecumCell LinePeristalsisMicrovilliCattleDigestive SystemSequence Homology, Amino AcidProtein BindingStructure-Activity RelationshipMolecular WeightSpecies SpecificityGenesGastrointestinal ContentsPlasmidsDigestionSubstance P