ColicMesenteric Artery, InferiorRenal ColicMesenteric ArteriesMesenteric Artery, SuperiorArteriesPulmonary ArteryFecal ImpactionCerebral ArteriesRenal ArteryHorse DiseasesCarotid ArteriesFemoral ArteryCeliac ArteryBasilar ArteryMesenteric Vascular OcclusionUreteral DiseasesSuperior Mesenteric Artery SyndromeSimethiconeIliac ArteryVertebral ArteryVasodilationCoronary Artery BypassMuscle, Smooth, VascularVasoconstrictionSplenic ArteryRadial ArteryMammary ArteriesCarotid Artery, InternalMiddle Cerebral ArteryStomatognathic DiseasesEquidaeHepatic ArterySubclavian ArteryHorsesCarotid Artery DiseasesSplanchnic CirculationVasodilator AgentsVasoconstrictor AgentsBrachial ArteryEndothelium, VascularUrolithiasisCoronary Vessels