Iliolumbar vein

Blood vessels · Latin: Vena iliolumbalis

Open in 3D

The iliolumbar vein is the vena comitans of the iliolumbar artery. The obturator nerve crosses superficial to it.A single vein is found more commonly than a double vein.It drains vertebral segments four and five.It is closely related to the ascending lumbar vein.

Definition from Wikipedia, CC BY-SA 4.0.