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  • transverse
  • However, there are weak points, or "watershed" areas, at the borders of the territory supplied by each of these arteries, such as the splenic flexure and the transverse portion of the colon. (wikipedia.org)
  • sigmoid colon
  • citation needed] The sigmoid colon begins at the superior aperture of the lesser pelvis, where it is continuous with the iliac colon, and passes transversely across the front of the sacrum to the right side of the pelvis. (wikipedia.org)
  • angle
  • This rare, potentially life-threatening syndrome is typically caused by an angle of 6°-25° between the AA and the SMA, in comparison to the normal range of 38°-56°, due to a lack of retroperitoneal and visceral fat (mesenteric fat). (wikipedia.org)
  • SMA syndrome is thus triggered by any condition involving an insubstantial cushion and narrow mesenteric angle. (wikipedia.org)
  • blood
  • Blood flow volume in the superior mesenteric artery (SMA) and brachial artery (BA), the heart rate and the blood pressure were measured at rest, 15 min after starting thermal stimulation and 10, 20, 30 and 40 min after completing thermal stimulation. (hindawi.com)
  • Under normal conditions, the superior mesenteric artery (SMA) blood flow pattern and velocity show large variations due to the metabolic activity of the bowel [ 18 - 20 ]. (hindawi.com)