Iliolumbar vein

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Vein: Iliolumbar vein
The veins of the right half of the male pelvis. (Iliolumbar vein visible at center right.)
Latin vena iliolumbalis
Drains to internal iliac vein
Artery iliolumbar artery

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. ^ a b 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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