Gastrointestinal MotilityGastric EmptyingGastrointestinal TransitMotilinEnteric Nervous SystemIleusMyoelectric Complex, MigratingNitrergic NeuronsSenna 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, SmallManometryConstipationIleumDefecationMyenteric PlexusDigestive SystemSerotonin Receptor AgonistsMuscle ContractionIrritable Bowel SyndromeDomperidoneCroton OilGhrelinCholecystokininEatingJejunumRectumFastingGallbladderNitric Oxide Synthase Type IVagus NervePiperidinesPlant ExtractsCell MovementGuinea PigsIntestinesPressureAtropineDiarrheaSerotoninRats, WistarDogsFlagellaDose-Response Relationship, DrugSpermatozoaTime FactorsEsophageal Motility DisordersDouble-Blind MethodRats, Sprague-DawleyMice, KnockoutMovementDisease Models, Animal