Iliolumbar vein

Iliolumbar vein

The veins of the right half of the male pelvis. (Iliolumbar vein visible at center right.)
Drains to

common iliac vein

Artery = iliolumbar artery
Latin vena iliolumbalis
TA A12.3.10.003
FMA 18902

Anatomical terminology

The iliolumbar vein is the vena comitans of the iliolumbar artery.

The obturator nerve crosses superficial to it.[1]

A single vein is found more commonly than a double vein.[2]

It drains vertebral segments four and five.[3]

It is closely related to the ascending lumbar vein.[3]


  1. Vaccaro, Alexander R. (2004). Complications Of Pediatric And Adult Spinal Surgery. New York, N.Y: Marcel Dekker. p. 135. ISBN 0-8247-5421-2.
  2. Jasani V, Jaffray D (2002). "The anatomy of the iliolumbar vein. A cadaver study". The Journal of bone and joint surgery. British volume. 84 (7): 1046–9. doi:10.1302/0301-620X.84B7.13195. PMID 12358370.
  3. 1 2 Hamid M, Toussaint PJ, Delmas V, Gillot C, Coutaux A, Plaisant O (2007). "Anatomical and radiological evidence for the iliolumbar vein as an inferior lumbar venous system". Clinical Anatomy. 20 (5): 545–52. doi:10.1002/ca.20489. PMID 17373712.

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