Sigmoid arteries
From Wikipedia, the free encyclopedia
From Wikipedia, the free encyclopedia
The sigmoid arteries are 2–5 branches of the inferior mesenteric artery that are distributed to the distal descending colon and the sigmoid colon.[1]
| Sigmoid arteries | |
|---|---|
Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses | |
 The inferior mesenteric artery and its branches (sigmoid arteries labeled at bottom right) | |
| Details | |
| Identifiers | |
| Latin | arteriae sigmoideae |
| TA98 | A12.2.12.072 |
| TA2 | 4295 |
| FMA | 14830 |
| Anatomical terminology | |
The sigmoid arteries course obliquely inferior-ward and to the left, passing posterior to the peritoneum and in anterior to the psoas major, ureter,[2] and Gonadal artery.[1]
The sigmoid arteries anastomose with the left colic superiorly, and with the superior rectal artery inferiorly.[2]
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