Mesenteric ArteriesMesenteric Artery, SuperiorSyndromeMesenteric Artery, InferiorArteriesMesenteric Vascular OcclusionSuperior Mesenteric Artery SyndromeCeliac ArteryPulmonary ArteryRenal ArteryCerebral ArteriesVasodilationMuscle, Smooth, VascularCarotid ArteriesVasoconstrictionFemoral ArterySplanchnic CirculationBasilar ArteryMesenteric VeinsBiological FactorsVasoconstrictor AgentsVasodilator AgentsIliac ArterySplenic ArteryEndothelium, VascularDown SyndromeMetabolic Syndrome XNorepinephrineCoronary Artery BypassVertebral ArteryHepatic ArteryPhenylephrineRadial ArteryMyographyRats, WistarMammary ArteriesAcetylcholineTomography, X-Ray ComputedCarotid Artery, InternalDuodenostomySubclavian ArteryTreatment OutcomeRats, Sprague-DawleyRats, Inbred WKYBlood PressureAngiographyCarotid Artery DiseasesDose-Response Relationship, DrugMuscle ContractionTime FactorsCoronary VesselsMuscle RelaxationNitric OxideBrachial ArteryVena Cava, SuperiorSuperior ColliculiCarotid Artery, CommonNephrotic SyndromeEndothelium-Dependent Relaxing FactorsAneurysmSjogren's SyndromeRats, Inbred SHRRenal Artery ObstructionRegional Blood FlowOphthalmic ArteryPotassium ChlorideArterial Occlusive DiseasesConstriction, PathologicCharybdotoxin15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidDogsStentsNG-Nitroarginine Methyl EsterUmbilical ArteriesMiddle Cerebral ArteryRabbitsHypertensionUltrasonography, DopplerThoracic ArteriesSuperior Vena Cava SyndromeRetrospective StudiesTemporal ArteriesAortaFollow-Up StudiesTurner SyndromeIndomethacinDisease Models, AnimalBronchial ArteriesEnzyme InhibitorsAbnormalities, MultiplePopliteal ArteryAorta, ThoracicUlnar ArteryNitroprussideCoronary AngiographyNitric Oxide SynthaseVasomotor SystemProspective StudiesRisk FactorsVascular Resistance