mesenteric artery

mesenteric artery n either of two arteries arising from the aorta and passing between the two layers of the mesentery to the intestine:
a) one that arises just above the bifurcation of the abdominal aorta into the common iliac arteries and supplies the left half of the transverse colon, the descending colon, the sigmoid colon, and most of the rectum called also inferior mesenteric artery
b) a large artery that arises from the aorta just below the celiac artery at the level of the first lumbar vertebra and supplies the greater part of the small intestine, the cecum, the ascending colon, and the right half of the transverse colon called also superior mesenteric artery

Medical dictionary. 2011.

Look at other dictionaries:

  • mesenteric artery — noun one of two branches of the aorta that pass between the two layers of the mesentery to the intestines • Syn: ↑arteria mesenterica • Hypernyms: ↑artery, ↑arteria, ↑arterial blood vessel • Hyponyms: ↑inferior mesenteric artery, ↑ …   Useful english dictionary

  • mesenteric artery inferior — arteria mesenterica inferior …   Medical dictionary

  • mesenteric artery superior — arteria mesenterica superior …   Medical dictionary

  • Superior mesenteric artery — Artery: Superior mesenteric artery Frontal view of the superior mesenteric artery and its branches. The large vessel (blue) beside the SMA is the superior mesenteric vein. A considerable number of different branching patterns exist …   Wikipedia

  • Inferior mesenteric artery — Artery: Inferior mesenteric artery Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses. (Inferior mesenteric artery labeled at center.) …   Wikipedia

  • Superior mesenteric artery syndrome — Infobox Disease Name = SMA Syndrome Caption = Abdominal and pelvic CT scan showing duodenal compression (black arrow) by the abdominal aorta and the superior mesenteric artery. Superior mesenteric artery (SMA) syndrome is a rare, life threatening …   Wikipedia

  • inferior mesenteric artery — n MESENTERIC ARTERY (a) …   Medical dictionary

  • superior mesenteric artery — n MESENTERIC ARTERY (b) …   Medical dictionary

  • superior mesenteric artery syndrome — compression of the third, or transverse, portion of the duodenum against the aorta by the superior mesenteric artery, resulting in complete or partial obstruction that may be chronic, intermittent, or acute; symptoms range from mild to severe,… …   Medical dictionary

  • inferior mesenteric artery — noun arises near the lower end of the aorta and supplies the large intestine • Hypernyms: ↑mesenteric artery, ↑arteria mesenterica …   Useful english dictionary

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