Sigmoid arteries explained

Sigmoid arteries
Latin:arteriae sigmoideae

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]

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,[2] and Gonadal artery.

Anastomoses

The sigmoid arteries anastomose with the left colic superiorly, and with the superior rectal artery inferiorly.

External links

Notes and References

  1. Book: Standring, Susan . Gray's Anatomy: The Anatomical Basis of Clinical Practice . 2020 . 978-0-7020-7707-4 . 42nd . New York . 1197 . 1201341621.
  2. Book: Gray, Henry . Gray's Anatomy . 1918 . 20th . 610.