Sigmoid arteries
{{Infobox artery
| Name = Sigmoid arteries
| Latin = arteriae sigmoideae
| Image = Gray538.png
| Caption = Sigmoid colon and rectum, showing distribution of branches of inferior mesenteric artery and their anastomoses
| Image2 = Gray537.png
| Caption2 = The inferior mesenteric artery and its branches (sigmoid arteries labeled at bottom right)
| BranchFrom =
| BranchTo =
| Vein =
| Supplies =
}}
The sigmoid arteries are 2–5 branches of the inferior mesenteric artery that are distributed to the distal descending colon and the sigmoid colon.{{Cite book |last=Standring |first=Susan |url=https://www.worldcat.org/oclc/1201341621 |title=Gray's Anatomy: The Anatomical Basis of Clinical Practice |year=2020 |isbn=978-0-7020-7707-4 |edition=42nd |location=New York |pages=1197 |oclc=1201341621}}
Anatomy
= Course and relations =
The sigmoid arteries course obliquely inferior-ward and to the left, passing posterior to the peritoneum and in anterior to the psoas major, ureter,{{Cite book |last=Gray |first=Henry |url=https://archive.org/details/anatomyofhumanbo1918gray/page/610/mode/2up?view=theater |title=Gray's Anatomy |year=1918 |edition=20th |pages=610}} and Gonadal artery.
= Anastomoses =
The sigmoid arteries anastomose with the left colic superiorly, and with the superior rectal artery inferiorly.
References
{{Reflist}}
External links
- {{SUNYAnatomyLabs|39|05|01|06}} - "Intestines and Pancreas: Branches of the Inferior Mesenteric Artery"
- {{SUNYAnatomyImage|7|9|26}}
{{Arteries of thorax and abdomen}}
{{Portal bar|Anatomy}}
{{Authority control}}
Category:Arteries of the abdomen
{{circulatory-stub}}