superior rectal artery

The superior rectal artery is an artery that supplies bloods to the rectum down to the level of the levator ani .

Summary

• origin: the terminal branch of the inferior mesenteric artery is the superior rectal artery
• course: descends into the pelvic cavity in the sigmoid mesocolon, crossing the left common iliac vessels
• branches:
  • recto-sigmoid branch
  • upper rectal branch
  • right and left terminal branches: at the level of S3, these descend on each side of the rectum, dividing into smaller branches in the wall of the rectum
• anastomoses
  • middle rectal artery (branch of internal iliac artery)
  • inferior rectal artery (branch of internal pudendal artery)

See also

• Superior rectal artery embolization

Siehe auch:

• Arteria iliaca interna
• Arteria mesenterica inferior
• Mesocolon sigmoideum

und weiter:

• Blutversorgung Rektum
• superior rectal artery haemorrhage treated by embolisation