ColicMesenteric Artery, InferiorRenal ColicMesenteric ArteriesMesenteric Artery, SuperiorArteriesPulmonary ArteryFecal ImpactionRenal ArteryHorse DiseasesCarotid ArteriesCerebral ArteriesFemoral ArteryCeliac ArteryBasilar ArteryMesenteric Vascular OcclusionUreteral DiseasesSuperior Mesenteric Artery SyndromeIliac ArterySimethiconeVertebral ArteryCoronary Artery BypassVasodilationMuscle, Smooth, VascularVasoconstrictionRadial ArterySplenic ArteryMammary ArteriesSubclavian ArteryStomatognathic DiseasesEquidaeCarotid Artery, InternalHepatic ArteryHorsesCarotid Artery DiseasesSplanchnic CirculationVasodilator AgentsVasoconstrictor AgentsBrachial ArteryTomography, X-Ray ComputedEndothelium, VascularUrolithiasis