Common iliac artery
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At the time the article was created Omar Bashir had no recorded disclosures.
View Omar Bashir's current disclosuresAt the time the article was last revised Arlene Campos had no financial relationships to ineligible companies to disclose.
View Arlene Campos's current disclosures- Common iliac artery (CIA)
- Common iliac arteries (CIAs)
The common iliac arteries (CIA) are the large paired terminal branches of the abdominal aorta.
Gross anatomy
Origin
The abdominal aorta bifurcates anterolateral (to the left side) of the L4 vertebra into the right and left common iliac arteries.
Course
The common iliac arteries (CIAs) enter the pelvis on the medial aspect of the psoas muscle. The left CIA is shorter than the right. The right CIA passes anterior to the left common iliac vein and then anterior and parallel to the right common iliac vein. The left CIA course is simpler, running parallel and lateral to the left common iliac vein.
The CIA bifurcates at the point where the ureter crosses it anteriorly into its terminal branches, the internal iliac artery and external iliac artery, at the level of the pelvic brim, anterior to the sacroiliac joint.
Branches
In addition to the terminal branches, the common iliac arteries also give branches to the surrounding tissues, peritoneum, psoas muscle, ureter, and nerves. Occasional branches are the iliolumbar and multiple renal arteries.
Relations
anteriorly (at its bifurcation): ureters
posteriorly: common iliac veins, psoas major muscle
Related pathology
Quiz questions
References
- 1. Renan Uflacker. Atlas of Vascular Anatomy. (2007) ISBN: 9780781760812 - Google Books
- 2. Susan Standring. Gray's Anatomy. (2008) ISBN: 9780443066849 - Google Books
- 3. Paul Butler, Adam Mitchell, Jeremiah C. Healy et al. Applied Radiological Anatomy. (2012) ISBN: 9780521766661 - Google Books
Incoming Links
- Marsupial cava
- Iliac artery endofibrosis
- Iliac artery
- Iliac artery aneurysm
- Histology of blood vessels
- Penetrating atherosclerotic ulcer
- Common iliac lymph nodes
- Superior hypogastric plexus
- Vascular compression disorders
- Suspensory ligament of the ovary
- May-Thurner syndrome
- Posterior abdominal wall
- Giant cell arteritis
- Common iliac vein
- Inferior mesenteric artery
- Sigmoid mesocolon
- Pelvic kidney
- External iliac artery
- Superior rectal artery
- Medical abbreviations and acronyms (C)
- Penetrating atherosclerotic ulcer of the common iliac artery
- Giant common iliac artery aneurysm
- Normal iliac angiogram
- Normal iliac angiogram
- Common iliac artery atresia
- Aortic dissection with renal ischaemia
- Aortic dissection - Stanford type B
- Aortic dissection - Stanford type A
- Iliac arteries (Gray's illustration)
- May-Thurner syndrome
- Iatrogenic ureteric rupture
- Takayasu arteritis
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