IleumEncephalomyelitis, Autoimmune, ExperimentalMultiple SclerosisMyelin Basic ProteinDemyelinating DiseasesCoronavirus InfectionsMurine hepatitis virusOligodendrogliaCentral Nervous SystemSpinal CordGuinea PigsMyenteric PlexusIleal DiseasesMuscle, SmoothIleitisIntestine, SmallIntestinal MucosaMuscle ContractionIleal NeoplasmsIntestinal AbsorptionIntestinesColonGastrointestinal MotilityDuodenumDiphenylacetic AcidsIleocecal ValveAtropineAcetylcholineCecumPeristalsisSwineGastrointestinal Contents