Sigmoid arteries

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
LatinArteriae sigmoideae
TA98A12.2.12.072
TA24295
FMA14830
Anatomical terminology

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 vessels.[1]

Anastomoses

The sigmoid arteries anastomose with the left colic superiorly, and with the superior rectal artery inferiorly.[2]

References

  1. Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42nd ed.). New York. p. 1197. ISBN 978-0-7020-7707-4. OCLC 1201341621.{{cite book}}: CS1 maint: location missing publisher (link)
  2. Gray, Henry (1918). Gray's Anatomy (20th ed.). p. 610.


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