Vessel
Common iliac artery
Terminal branch of the aorta
High-yield
Aorta bifurcates into common iliacs at L4; each divides into internal (pelvis) and external (lower limb) iliac arteries.
Overview
One of the paired terminal branches of the abdominal aorta that divides into internal and external iliac arteries to supply the pelvis and lower limb.
Reference facts
- Type
- Muscular artery
- Origin
- Abdominal aorta bifurcation (L4)
- Branches / tributaries
- Internal iliac artery; External iliac artery
- Supplies
- Pelvis, gluteal region, and lower limb
- Course
- Runs inferolaterally from the aortic bifurcation to the pelvic brim, where it divides anterior to the sacroiliac joint
Frequently asked questions
Where does the common iliac artery originate?
The common iliac artery arises from the abdominal aorta bifurcation (L4).
What does the common iliac artery supply?
The common iliac artery supplies the pelvis, gluteal region, and lower limb.
What are the branches of the common iliac artery?
Branches of the common iliac artery include the internal iliac artery; External iliac artery.
What is the course of the common iliac artery?
Runs inferolaterally from the aortic bifurcation to the pelvic brim, where it divides anterior to the sacroiliac joint.