Mesenteric ArteriesIleal DiseasesMesenteric Artery, SuperiorIntussusceptionMesenteric Artery, InferiorArteriesCecal DiseasesStrongyloideaColectomyIleitisAnastomosis, SurgicalColonic DiseasesIleumCrohn DiseaseMesenteric Vascular OcclusionCeliac ArterySuperior Mesenteric Artery SyndromePulmonary ArteryLaparoscopyRenal ArteryCerebral ArteriesVasodilationMuscle, Smooth, VascularCarotid ArteriesVasoconstrictionFemoral ArterySplanchnic CirculationBasilar ArteryTreatment OutcomeColonMesenteric VeinsBiological FactorsVasoconstrictor AgentsVasodilator AgentsRecurrenceIliac ArterySplenic ArteryEndothelium, VascularHepatic ArteryVertebral ArteryNorepinephrineCoronary Artery BypassMammary ArteriesPhenylephrineRadial ArteryMyographyRats, WistarAcetylcholineCarotid Artery, InternalSubclavian ArteryDuodenostomyTomography, X-Ray ComputedAngiographyCoronary VesselsRats, Sprague-DawleyRats, Inbred WKYMuscle ContractionCarotid Artery DiseasesMuscle RelaxationDose-Response Relationship, DrugBlood PressureNitric OxideSuperior ColliculiBrachial ArteryTime FactorsVena Cava, SuperiorCarotid Artery, CommonEndothelium-Dependent Relaxing FactorsAneurysmRats, Inbred SHRRenal Artery ObstructionRegional Blood FlowOphthalmic ArteryStentsArterial Occlusive DiseasesDogsPotassium ChlorideCharybdotoxin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidConstriction, PathologicNG-Nitroarginine Methyl EsterMiddle Cerebral ArteryThoracic ArteriesRabbitsUmbilical ArteriesTemporal ArteriesUltrasonography, DopplerBronchial ArteriesAortaAorta, ThoracicIndomethacinCoronary AngiographyBlood Vessel Prosthesis ImplantationPopliteal ArteryEnzyme InhibitorsHypertensionNitroprussideUlnar ArteryNitric Oxide SynthaseVasomotor System