Mesenteric ArteriesMesenteric Artery, SuperiorMesenteric Artery, InferiorArteriesDuodenal NeoplasmsSuperior Mesenteric Artery SyndromeMesenteric Vascular OcclusionCeliac ArteryIntestine, SmallPulmonary ArteryDuodenal DiseasesRenal ArteryMolecular Sequence DataTomography, X-Ray ComputedChromosome MappingCerebral ArteriesVasodilationMuscle, Smooth, VascularDuodenal ObstructionCarotid ArteriesVasoconstrictionSplanchnic CirculationFemoral ArteryCoronary VesselsTime FactorsBase SequenceBasilar ArteryMesenteric VeinsBiological FactorsVasoconstrictor AgentsCoronary AngiographyVasodilator AgentsJejunumRats, WistarDuodenostomyHybrid CellsIliac ArteryAmino Acid SequenceBrunner GlandsSplenic ArterySciatic NerveEndothelium, VascularNorepinephrineChromosome DeletionImmunohistochemistryMuscle RelaxationMuscle ContractionRats, Sprague-DawleyStomachCoronary Artery BypassVertebral ArteryHepatic ArteryIntestinal MucosaAxonsPhenylephrineMicroscopy, ElectronAcetylcholineIntestinesRadial ArteryMyographyCloning, MolecularDose-Response Relationship, DrugMammary ArteriesDuodenoscopyRNA, MessengerCarotid Artery, InternalIleumSubclavian ArteryAngiographyDogsRats, Inbred WKYGastrointestinal MotilityKidneyNitric OxideCarotid Artery DiseasesBlood PressureMutationTreatment OutcomeDuodenitisBrachial ArterySuperior ColliculiVena Cava, SuperiorRabbitsEndothelium-Dependent Relaxing FactorsCarotid Artery, CommonDNA, ComplementaryGenesAneurysmRegional Blood FlowPancreasCricetinaeRats, Inbred SHRPancreaticoduodenectomyIntestinal AbsorptionRenal Artery ObstructionBinding SitesPylorusOphthalmic ArteryPotassium ChlorideStents