Gastrointestinal MotilityGastric EmptyingGastrointestinal TransitMotilinEnteric Nervous SystemIleusMyoelectric Complex, MigratingNitrergic NeuronsSenna PlantMurrayaReceptors, Serotonin, 5-HT4Gastrointestinal AgentsPropanthelineCisaprideIntestinal Pseudo-ObstructionSperm MotilityGastrointestinal HormonesGastrointestinal DiseasesInterstitial Cells of CajalStomachColonDuodenumSocieties, MedicalGastrointestinal TractAntidiarrhealsAcupunctureMetoclopramideMuscle, SmoothColonic Diseases, FunctionalPeristalsisDigestive System Physiological PhenomenaCatharticsSerotonin 5-HT4 Receptor AgonistsLoperamidePyloric AntrumIntestine, SmallManometryConstipationIleumDefecationMyenteric PlexusDigestive SystemSerotonin Receptor AgonistsMuscle ContractionIrritable Bowel SyndromeDomperidoneCroton OilGhrelinCholecystokininEatingJejunumRectumSocietiesFastingGallbladderNitric Oxide Synthase Type IVagus NervePiperidinesSocieties, ScientificPlant ExtractsCell MovementGuinea PigsIntestinesPressureAtropineDiarrheaSerotoninRats, WistarDogsFlagellaTime FactorsDose-Response Relationship, DrugSpermatozoaDouble-Blind MethodEsophageal Motility DisordersRats, Sprague-DawleyMice, KnockoutDisease Models, AnimalMovementSocieties, NursingImmunohistochemistry