superior mesenteric artery

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su·pe·ri·or mes·en·ter·ic ar·ter·y

[TA]
origin, at the L1 vertebral level as the second anterior visceral branch of the abdominal aorta; branches, inferior pancreaticoduodenal, jejunal, ileal, ileocolic, appendicular, right colic, middle colic; anastomoses, superior pancreaticoduodenal and left colic.
Farlex Partner Medical Dictionary © Farlex 2012

su·pe·ri·or mes·en·ter·ic ar·te·ry

(sŭ-pēr'ē-ŏr mez'en-ter'ik ahr'tĕr-ē) [TA]
Origin, abdominal aorta; branches, inferior pancreaticoduodenal, jejunal, ileal, ileocolic, appendicular, right colic, middle colic; anastomoses, superior pancreaticoduodenal and left colic.
Synonym(s): arteria mesenterica superior.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

superior mesenteric artery

Abbreviation: SMA
The second unpaired midline artery branching from the abdominal aorta; it originates 1 to 2 cm distal to the celiac artery. It supplies blood to the midgut, i.e., the distal half of the duodenum, the jejunum, the ileum, the ascending colon, and the proximal half of the transverse colon. Its branches include the inferior pancreaticoduodenal, jejunal, ileal, ileocolic, marginal, and right and middle colic arteries.
See: aorta (Branches of aorta)and circulation (Circulation of blood through heart and major vessels) for illus.
See also: artery
Medical Dictionary, © 2009 Farlex and Partners