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Common iliac artery

The common iliac artery (latin: arteria iliaca communis) is a paired large elastic artery located in the left and right iliac region. The common iliac arteries arise from the abdominal aorta, from its bifurcation at the level of fourth lumbar vertebra.

Each common iliac artery runs posterolateraly along the medial border of the psoas major muscle and at the level of the sacroiliac joint divides into two terminal branches:

The common iliac artery also gives small side branches to the peritoneum and the surrounding tissues, including the surrounding lymph nodes.