Common iliac artery
(Redirected from Common iliac)
Common iliac artery is the terminal branches of the abdominal aorta.
Anatomy[edit | edit source]
The common iliac arteries are two large arteries that originate from the aortic bifurcation at the level of the fourth lumbar vertebra.
Branches[edit | edit source]
They end in front of the sacroiliac joint, one on either side, and each bifurcates into the external and internal iliac arteries.
Distribution[edit | edit source]
The distribution of the common iliac artery is basically the pelvis and lower limb (as the femoral artery) on the corresponding side.
Relations[edit | edit source]
- Both common iliac arteries are accompanied along their course by the two common iliac veins which lie posteriorly and to the right.
- Their terminal bifurcation is crossed anteriorly by the ureters.
- This is significant as the bifurcation of the common iliac artery is the second point of ureteric constriction.
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Contributors: Prab R. Tumpati, MD