ColicMesenteric Artery, InferiorRenal ColicVeinsSaphenous VeinPortal VeinFecal ImpactionVaricose VeinsHorse DiseasesPulmonary VeinsFemoral VeinJugular VeinsUreteral DiseasesSimethiconeVentricular Function, LeftStomatognathic DiseasesEquidaeRenal VeinsMesenteric VeinsHorsesIliac VeinUmbilical VeinsVentricular Dysfunction, LeftUrolithiasisHepatic Veins