Iliolumbar a. : Pertaining to the iliac and lumbar regions; as, the iliolumbar artery.

Example:


Taxonomy
Iliolumbar vein, vein, free encyclopedia, drains, New York, N.Y, male pelvis, iliolumbar artery, intercostal, search, center right, vena iliolumbalis, crosses, vertebral segments, four and five, Vaccaro, Spinal Surgery, Clinical anatomy, iliolumbar.

Defination from the web:
iliolumbar vein as an inferior lumbar venous system". Clinical anatomy (New York, N.Y.) 20 (5): 545–52. doi:10.1002/ca.20489. ... posterior: iliolumbar · superior gluteal · lateral sacral ...