Receptors, Pituitary Adenylate Cyclase-Activating Polypeptide, Type IReceptors, Pituitary Adenylate Cyclase-Activating PolypeptideReceptors, Pituitary HormoneVasoactive Intestinal PeptideReceptors, Vasoactive Intestinal PeptideGastrointestinal HormonesReceptors, Vasoactive Intestinal Polypeptide, Type IReceptors, Vasoactive Intestinal Peptide, Type IIPituitary Adenylate Cyclase-Activating PolypeptideSubstance PNeuropeptidesGastric FundusPeptide PHISuprachiasmatic NucleusApudomaSecretinCalcitonin Gene-Related PeptideSomatostatinNeuropeptide YMuscle RelaxationReceptors, Gastrointestinal HormoneVipomaGalaninPancreatic PolypeptideNeurotransmitter AgentsSincalideAtropineCholecystokininBrunner GlandsEnteric Nervous SystemStomach, RuminantElectric StimulationOpossumsSplanchnic NervesMuscle, SmoothPenisCircadian RhythmNerve FibersParasympathetic Nervous SystemPeptidesPeptide TGastrin-Releasing PeptideGuanethidineEnkephalin, MethionineMotilinGanglioneuromaCholinergic FibersParaganglia, ChromaffinCatsAdrenergic FibersMetipranololHexamethoniumAchlorhydriaNeuronsAmino Acid SequenceMolecular Sequence DataCyclic AMPTyrosine 3-MonooxygenaseAutonomic Nervous SystemMyenteric PlexusDuodenumRadioimmunoassayGlucagon-Like PeptidesTetrodotoxinNitric OxideCholine O-AcetyltransferaseStomachGuinea PigsNitroarginineMuscle ContractionIntestine, SmallHexamethonium CompoundsRats, Inbred StrainsSecretory RateGastrointestinal MotilityImmunohistochemistryNeurokinin ASubmucous PlexusColforsinColon, TransverseNADPH DehydrogenaseVagus NerveJejunumAcetylcholineNitric Oxide SynthaseGanglia, ParasympatheticRegional Blood FlowColonRats, Sprague-DawleyMuscarineDose-Response Relationship, DrugDogsAdenylate CyclaseUbiquitin ThiolesteraseBombesinRNA, MessengerRats, WistarGanglia, SympatheticPeptide FragmentsInterferon Type I