Mesenteric VeinsMesenteric Vascular OcclusionPortal VeinMesenteric ArteriesMesenteric Artery, SuperiorSplenic VeinPortal SystemPancreaticoduodenectomySplanchnic CirculationIliac VeinMesenteric Artery, InferiorVeinsHypertension, PortalVenous ThrombosisHepatic VeinsTomography, X-Ray ComputedArteriesMaxillary ArteryVena Cava, InferiorTemporal LobeMagnetic Resonance ImagingThrombosisPancreatic NeoplasmsGastrointestinal HemorrhageBrain MappingTreatment OutcomeRenal VeinsImage Processing, Computer-AssistedMuscle, Smooth, VascularFemoral VeinSaphenous VeinCeliac ArteryMaxillary NerveAcoustic StimulationSuperior Mesenteric Artery SyndromeVasoconstrictionNorepinephrineSpeechAuditory PerceptionFunctional LateralityPulmonary ArteryIliumRenal ArteryLanguageVisceraCerebral ArteriesAuditory CortexPhoneticsSpeech PerceptionFemoral ArteryVasodilationVaricose VeinsCarotid ArteriesParietal LobePhotic StimulationTheory of MindVena Cava, SuperiorBrainSuperior ColliculiPulmonary VeinsBasilar ArteryPsycholinguisticsDogsOxygenJudgmentTime FactorsCerebral CortexSocial PerceptionMuscle ContractionLanguage TestsNeural PathwaysVasoconstrictor AgentsBiological FactorsReaction TimeJugular VeinsIofetamineVasodilator AgentsEndothelium, Vascular