Common iliac artery
|Common iliac artery|
Front of abdomen, showing surface markings for arteries and inguinal canal.
|Vein||common iliac veins|
|Latin||arteria iliaca communis|
The common iliac arteries are two large arteries that originate from the aortic bifurcation at the level of the fourth lumbar vertebra. They end in front of the sacroiliac joint, one on either side, and each bifurcates into the external and internal iliac arteries.
They are about 4 cm long in adults and more than a centimeter in diameter. The arteries run inferolaterally, along the medial border of the psoas muscles to their bifurcation at the pelvic brim, in front of the sacroiliac joints.
The common iliac artery, and all of its branches, exist as paired structures (that is to say, there is one on the left side and one on the right).
- Gray's s157 - "The arteries of the lower extremity"
- Gray's s173 - "The veins of the lower extremity, abdomen, and pelvis"
- Hypogastric artery - thefreedictionary.com
- Atlas image: abdo_wall75 at the University of Michigan Health System - "The Abdominal Aorta"
- Anatomy photo:40:09-0102 at the SUNY Downstate Medical Center - "Posterior Abdominal Wall: The Abdominal Aorta and Paraaortic Nerve Plexus"
- Anatomy image:8969 at the SUNY Downstate Medical Center
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