
In human anatomy, the inferior mesenteric artery, often abbreviated as IMA, is the third main branch of the abdominal aorta and arises at the level of L3, supplying the large intestine from the left colic (or splenic) flexure to the upper part of the rectum, which includes the descending colon, the sigmoid colon, and part of the rectum. Proximally...
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http://en.wikipedia.org/wiki/Inferior_mesenteric_artery

<anatomy, artery> Origin, abdominal aorta; branches, left colic, sigmoid, superior rectal; anastomoses, middle colic and middle rectal. ... Synonym: arteria mesenterica inferior. ... (05 Mar 2000) ...
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http://www.encyclo.co.uk/local/20973

origin, abdominal aorta; branches, left colic, sigmoid, and superior rectal arteries; distribution, descending colon, rectum.
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http://www.encyclo.co.uk/local/21001

Artery which originates from the abdominal aorta and branches into the left colic, sigmoid, and superior rectal arteries.
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http://www.encyclo.co.uk/local/21447

Type: Term Definitions: 1. origin, at the L3 vertebral level as the third and smallest anterior visceral branch of the abdominal aorta; branches, left colic, sigmoid, superior rectal; anastomoses, middle colic and middle rectal. Synonyms: arteria mesenterica inferior
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http://www.medilexicon.com/medicaldictionary.php?t=7161

[
n] - arises near the lower end of the aorta and supplies the large intestine
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http://www.webdictionary.co.uk/definition.php?query=inferior%20mesenteric%2
noun arises near the lower end of the aorta and supplies the large intestine
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https://www.encyclo.co.uk/local/20974
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