mesenteric artery


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

mesenteric artery

[¦mez·ən¦ter·ik ′ärd·ə·rē]
(anatomy)
Either of two main arterial branches arising from the abdominal aorta: the inferior, supplying the descending colon and the rectum, and the superior, supplying the small intestine, the cecum, and the ascending and transverse colon.
References in periodicals archive ?
Chronic superior mesenteric artery syndrome in anorexia nervosa.
Superior mesenteric artery originates from aorta at the level of first lumbar vertebra.
Isolated dissection of the superior mesenteric artery: CT findings in six cases.
Modlin, "Superior mesenteric artery syndrome following ileal J-pouch anal anastomosis.
Regarding the present case, the presence of an extensive poor contrast effect in the intestinal wall and vascular disruption in the superior mesenteric artery periphery on MDCT led to the diagnosis of NOMI.
It is estimated that anomalous origins of the celiac artery and the superior mesenteric artery occur in 7% of people (Michels, 1955; Michels etal., 1968).
No significant differences for the peak value and time to peak response were observed between the groups for blood flow to the superior mesenteric artery. The gymnema group demonstrated a significant delay compared to the control group for C-sodium acetate breath test, indicating delayed gastric empting.
In the work-up, abdominal computedtomography with intravenous contrast was used and revealed compression of the left renal vein between the aorta and superior mesenteric artery (Figure ').
The preparation of mesenteric artery rings and vascular reactivity assessment were performed as described previously.[sup][20] Nine weeks after Ovx or sham operation, rats were reanesthetized, and the mesentery arteries quickly removed and placed in Krebs buffer (mM: NaCl 118.0, NaHCO[sub]3 25.0, KCl 3.6, MgSO[sub]4 1.2, KH[sub]2 PO[sub]4 1.2, glucose 11.0, CaCl[sub]2 2.5) at room temperature.
The main consideration points included etiology of celiac axis lesion as well as location of the aneurysms on different collateral pathways between superior mesenteric artery and celiac axis.