Mesenteric ArteriesIleal DiseasesMesenteric Artery, SuperiorIntussusceptionArteriesMesenteric Artery, InferiorPulmonary ArteryCecal DiseasesStrongyloideaRenal ArteryColectomyCarotid ArteriesCerebral ArteriesAnastomosis, SurgicalFemoral ArteryCeliac ArteryIleitisColonic DiseasesIleumBasilar ArteryMesenteric Vascular OcclusionCrohn DiseaseSuperior Mesenteric Artery SyndromeIliac ArteryVertebral ArteryCoronary Artery BypassVasodilationMuscle, Smooth, VascularLaparoscopyVasoconstrictionSplenic ArteryRadial ArteryMammary ArteriesCarotid Artery, InternalHepatic ArterySubclavian ArteryTreatment OutcomeCarotid Artery DiseasesSplanchnic CirculationVasodilator AgentsVasoconstrictor AgentsBrachial ArteryEndothelium, VascularCoronary VesselsBiological FactorsCarotid Artery, CommonMesenteric VeinsColonRecurrenceOphthalmic ArteryNorepinephrineRenal Artery ObstructionAngiographyUmbilical ArteriesMiddle Cerebral ArteryTomography, X-Ray ComputedThoracic ArteriesAcetylcholinePhenylephrineMyographyTemporal ArteriesRats, WistarBronchial ArteriesBlood PressurePopliteal ArteryArterial Occlusive DiseasesUlnar ArteryAneurysmRats, Sprague-DawleyTime FactorsNitric OxideUterine ArteryMuscle RelaxationMuscle ContractionDose-Response Relationship, DrugCoronary AngiographyRats, Inbred WKYStentsRegional Blood FlowCarotid Artery, ExternalDuodenostomyCarotid Artery InjuriesDogsConstriction, PathologicUltrasonography, DopplerCoronary Disease15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidPotassium ChlorideRats, Inbred SHRVena Cava, SuperiorRabbitsInfarction, Middle Cerebral ArteryAxillary ArterySuperior ColliculiNG-Nitroarginine Methyl EsterRetinal Artery OcclusionEndothelium-Dependent Relaxing FactorsAortaAorta, ThoracicCharybdotoxin