page_title: Iliolumbar vein
hierarchical_section_title: Iliolumbar vein
context_page_description: 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.
context_section_description: 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.
caption: The veins of the right half of the male pelvis. (Iliolumbar vein visible at center right.)
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