Gastrointestinal MotilityGastric EmptyingGastrointestinal TransitMotilinEnteric Nervous SystemIleusNitrergic NeuronsMyoelectric Complex, MigratingSenna PlantMurrayaReceptors, Serotonin, 5-HT4Gastrointestinal AgentsPropanthelineCisaprideIntestinal Pseudo-ObstructionSperm MotilityGastrointestinal HormonesGastrointestinal DiseasesInterstitial Cells of CajalStomachColonDuodenumGastrointestinal TractAntidiarrhealsMetoclopramideAcupunctureMuscle, SmoothColonic Diseases, FunctionalPeristalsisDigestive System Physiological PhenomenaCatharticsSerotonin 5-HT4 Receptor AgonistsLoperamidePyloric AntrumIntestine, SmallManometryIleumConstipationMyenteric PlexusDefecationDigestive SystemNitric Oxide Synthase Type ISerotonin Receptor AgonistsMuscle ContractionIrritable Bowel SyndromeDomperidoneGhrelinCroton OilCholecystokininEatingJejunumRectumFastingVagus NerveGallbladderNeuronsPiperidinesCell MovementRats, Sprague-DawleyPlant ExtractsRats, WistarGuinea PigsSerotoninIntestinesAtropinePressureTime FactorsDiarrheaImmunohistochemistryMice, KnockoutDose-Response Relationship, DrugDisease Models, AnimalMice, Inbred C57BLNeuronal PlasticityDogsNerve Tissue ProteinsBrainFlagellaCells, CulturedHippocampusSpermatozoaMovementDouble-Blind MethodEsophageal Motility DisordersCerebral CortexSignal Transduction