Gastrointestinal HormonesGastrointestinal MotilityCholecystokininSecretinMotilinGastric EmptyingReceptors, Gastrointestinal HormoneGastrointestinal TransitPancreatic PolypeptidePeptide YYNeuronsDuodenumTetragastrinGastrinsEnteric Nervous SystemSincalideGhrelinGastric Inhibitory PolypeptideNitrergic NeuronsIleusMyoelectric Complex, MigratingSenna PlantPancreas, ExocrineMurrayaGlucagon-Like Peptide 1Receptors, Serotonin, 5-HT4Intestine, SmallGlucagonGastrointestinal AgentsNeurotensinPropanthelineCisaprideAppetiteSperm MotilityIntestinal Pseudo-ObstructionGastrointestinal DiseasesInterstitial Cells of CajalStomachNeurons, AfferentColonPancreasSomatostatinHormonesGastrointestinal TractInsulinMetoclopramideAntidiarrhealsAcupunctureMuscle, SmoothDigestive System Physiological PhenomenaColonic Diseases, FunctionalPeristalsisMotor NeuronsCatharticsSerotonin 5-HT4 Receptor AgonistsLoperamideMyenteric PlexusPyloric AntrumIleumProtein PrecursorsManometryConstipationDefecationThyroid HormonesBlood GlucoseDigestive SystemFollicle Stimulating HormoneSerotonin Receptor AgonistsMuscle ContractionLuteinizing HormoneIrritable Bowel SyndromeDomperidoneCroton OilEatingGonadotropin-Releasing HormoneVagus NerveJejunumParathyroid HormoneRats, WistarFastingNitric Oxide Synthase Type ITime FactorsRectumGonadal Steroid HormonesPiperidinesSerotoninGallbladderAction PotentialsImmunohistochemistryGuinea PigsDose-Response Relationship, DrugCell MovementCells, CulturedRats, Sprague-DawleyReceptors, Thyroid HormonePlant ExtractsHuman Growth HormoneDopaminergic NeuronsPituitary HormonesAdrenocorticotropic Hormone