Myenteric PlexusChoroid PlexusSubmucous PlexusIleumEnteric Nervous SystemBrachial PlexusGuinea PigsNitrergic NeuronsGastrointestinal MotilityInterstitial Cells of CajalNADPH DehydrogenaseCholine O-AcetyltransferaseMuscle, SmoothColonIntestine, SmallVasoactive Intestinal PeptideHexamethoniumNeuronsMegacolonGangliaColon, DescendingCalbindin 2Choroid Plexus NeoplasmsStomachCalbindinsSubstance PDihydrolipoamide DehydrogenaseElectric StimulationS100 Calcium Binding Protein GEsophageal AchalasiaAcetylcholineCeliac PlexusLumbosacral PlexusCervical PlexusTetrodotoxinIntestinal Pseudo-ObstructionJejunumDimethylphenylpiperazinium IodideMorphinansAtropineImmunohistochemistryGanglia, AutonomicNaloxoneReceptors, Serotonin, 5-HT4Muscle ContractionEnkephalin, MethionineSerotonin 5-HT4 Receptor AgonistsEsophagusSerotoninNitric Oxide Synthase Type IPyloric AntrumPyloric StenosisReceptors, OpioidVagus NerveHexamethonium CompoundsUbiquitin ThiolesteraseHirschsprung DiseaseDigestive SystemPeristalsisIntestinesParasympatholyticsGastric FundusNitric Oxide SynthasePapilloma, Choroid PlexusGastrointestinal TractDuodenumNarcotic AntagonistsPylorusIntestinal MucosaSynaptic TransmissionQuinacrineAction PotentialsGanglionic BlockersMorphineParasympathetic Nervous SystemElectrophysiologyHypogastric PlexusRectumProto-Oncogene Proteins c-kitScopolamine HydrobromideProtein DeficiencyPiperidines