inferior mesenteric artery

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in·fe·ri·or mes·en·ter·ic ar·ter·y

[TA]
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.

inferior mesenteric artery

a visceral branch of the abdominal aorta, arising just above the division into the common iliacs and supplying the left half of the transverse colon, all of the descending and iliac colons, and most of the rectum. It has left colic, sigmoid, and superior rectal branches.
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Inferior mesenteric artery

in·fe·ri·or mes·en·ter·ic ar·te·ry

(in-fēr'ē-ŏr mez'en-ter'ik ahr'tĕr-ē) [TA]
Origin, abdominal aorta; branches, left colic, sigmoid, superior rectal; anastomoses, middle colic and middle rectal.
Synonym(s): arteria mesenterica inferior.

inferior mesenteric artery

The third unpaired midline artery that branches from the abdominal aorta; it originates 3 to 4 cm proximal to the aortic bifurcation. It supplies blood to the hindgut, i.e., the distal half of the transverse colon, the descending colon, the sigmoid colon, and the rectum. Its branches include the left colic, sigmoid, and superior rectal arteries.
See: aorta (Branches of aorta), circulation (Circulation of blood through heart and major vessels) for illus.
See also: artery
References in periodicals archive ?
Uterine fundal blood supply from an aberrant left ovarian artery originating from the inferior mesenteric artery: implications for uterine artery embolization.
5 cm above the origin of inferior mesenteric artery.
The conventional mesenteric angiography confirming total occlusion of the inferior mesenteric artery and necrotizing inflammation of the muscular arteries of the colonic wall on the pathological examination clarified the diagnosis of PAN.
The inferior mesenteric artery was normal and had left colic and sigmoid branches, which participated in the formation of the marginal artery.
Seventy-seven percent of these women had para-aortic nodal metastasis above the inferior mesenteric artery.
Sonographic diagnosis of inferior mesenteric artery aneurysm and marginal artery of Drummond.
A simple classification of endoleaks * Type 1: inadequate proximal or distal seal * Type 2: patient side branch (intercostals, lumbar, accessory renal, inferior mesenteric arteries, etc.
Renal/visceral angioplasty referred to balloon dilatation of major abdominal arteries emanating from the aorta, such as the celiac axis, superior mesenteric artery, inferior mesenteric artery, and renal arteries.
8] Holland et al[9] also reported that studies including renal, celiac and superior and inferior mesenteric arteries had similar results to conventional angiography when breath-hold techniques were combined with high resolution and 2-D time of flight images.
Blood flow through the bilateral iliac, renal, and inferior mesenteric veins entered into the azygos vein and superior vena cava through the hemiazygos vein.
It may be crossed anteriorly by inferior mesenteric vein.

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