Iliolumbar artery

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Artery: Iliolumbar artery
Gray585.png
The veins of the right half of the male pelvis. (Iliolumbar artery not labeled, but Iliolumbar vein visible at center right.)
Latin

Arteria iliolumbalis
Arteria ililumbalis

GraySubject = 155
Source Internal iliac artery
Vein iliolumbar vein

The iliolumbar artery is the first branch of the posterior trunk of the internal iliac artery.

Course[edit]

The iliolumbar artery turns upward behind the obturator nerve and the external iliac artery and vein, to the medial border of the psoas major, behind which it divides into:

Anastomoses[edit]

  • 1. Last lumbar→iliolumbar
  • 2. Lateral sacral↔lateral sacral
  • 3. Middle sacral→lateral sacral
  • 4. Superior hemorrhoidal→middle hemorrhoidal
  • 5. Medial femoral circumflex→inferior gluteal
  • 6. Medial femoral circumflex↔obturator
  • 7. Lateral femoral circumflex→superior gluteal
  • 8. Deep iliac circumflex→superior gluteal
  • 9. Deep iliac circumflex→external iliac
  • 10. Last lumbar→superior gluteal
  • 11. Last lumbar→deep iliac circumflex
  • 12. Iliolumbar→deep iliac circumflex.[1]

Additional Images[edit]

References[edit]

  1. ^ CHAIT, ARNOLD; ARNOLD MOLTZ and JAMES H. NELSON JR. (February 1968). "THE COLLATERAL ARTERIAL CIRCULATION IN THE PELVIS AN ANGIOGRAPHIC STUDY". AJR 102 (2): 392–400. 

External links[edit]

This article incorporates text from a public domain edition of Gray's Anatomy.