Common iliac artery

Common iliac artery
Artery: Common iliac artery
Iliac artery bifurcation and aorta.PNG
Front of abdomen, showing surface markings for arteries and inguinal canal.
Gray539.png
Bifurcation of the aorta and the right iliac arteries - side view. Hypogastric artery is an old term for internal iliac artery. (Com. iliac. a. is visible at center bottom left.)
Latin arteria iliaca communis
Gray's subject #155 613
Source abdominal aorta   
Branches external iliac
internal iliac
Vein common iliac veins

The common iliac arteries are two large arteries that originate from the aortic bifurcation at the level of the fourth lumbar vertebra. They bifurcate into the external iliac artery and internal iliac artery .

They are about 4cm 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).

The distribution of the common iliac artery is basically the pelvis and lower limb (as the femoral artery) on the corresponding side.

Relations

Both common iliac arteries are accompanied along their course by common iliac veins which lie posteriorly and to the right. Their terminal bifurcation is crossed anteriorly by the ureters.


Additional images

External links


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