Mesenteric ArteriesThrombosisMesenteric Artery, SuperiorCarotid Artery ThrombosisVenous ThrombosisArteriesMesenteric Artery, InferiorBleeding TimeMesenteric Vascular OcclusionCoronary ThrombosisCarotid ArteriesFemoral ArteryPlatelet AggregationHemostasisCeliac ArteryArterial Occlusive DiseasesSuperior Mesenteric Artery SyndromeAntiphospholipid SyndromeSinus Thrombosis, IntracranialPulmonary ArteryAnticoagulantsBlood PlateletsFibrinolytic AgentsRenal ArteryNoxaeMesenteric VeinsBlood CoagulationCerebral ArteriesThrombophiliaMuscle, Smooth, VascularPlatelet ActivationPlatelet Aggregation InhibitorsEndothelium, VascularVasodilationSplanchnic CirculationIntracranial ThrombosisVasoconstrictionVena Cava, SuperiorSuperior ColliculiPartial Thromboplastin TimeAngiographyBasilar ArteryHeparinTreatment OutcomePlatelet AdhesivenessFactor VMagnoliaDisease Models, AnimalLupus Coagulation InhibitorTime FactorsActivated Protein C ResistanceThrombectomyIliac ArteryBiological FactorsVasoconstrictor AgentsThromboplastinVasodilator AgentsAntibodies, AntiphospholipidSplenic ArteryHepatic ArteryRats, Wistarbeta 2-Glycoprotein IRabbitsFibrinolysisFactor XII DeficiencyRisk FactorsDogsDose-Response Relationship, DrugAntithrombin III DeficiencyAspirinTomography, X-Ray ComputedThrombin TimeAntibodies, AnticardiolipinProtein S DeficiencyAntithrombinsCoronary Artery BypassVertebral Arteryvon Willebrand FactorNorepinephrineHemorrhageStentsProtein C DeficiencyCarotid Artery InjuriesPortal VeinRegional Blood FlowRadial ArterySagittal Sinus ThrombosisFollow-Up StudiesPhenylephrineSuperior Vena Cava SyndromeFerric CompoundsRetrospective StudiesMyographyPhenindioneCarotid Artery, InternalMammary ArteriesProtein CThromboembolismCoronary VesselsAcetylcholine