Common iliac vein
Common Iliac Vein
The Common Iliac Vein (Pronunciation: KOM-mon IL-ee-ak VAYN) is a large vein located in the pelvic region of the human body. It is formed by the union of the External Iliac Vein and the Internal Iliac Vein. The term "iliac" is derived from the Latin "ilia", meaning "flank or hip bone", and "vein" from the Old French "veine", meaning "blood vessel".
Anatomy
The Common Iliac Vein is approximately 4-5 cm in length and is situated on the right side of the Common Iliac Artery. It begins at the level of the sacroiliac joint and ends at the level of the fifth lumbar vertebra, where it unites with the opposite vein to form the Inferior Vena Cava.
Function
The primary function of the Common Iliac Vein is to carry deoxygenated blood from the lower half of the body back to the heart. It does this by merging with the External Iliac Vein and the Internal Iliac Vein, which carry blood from the lower limbs and pelvic organs, respectively.
Clinical Significance
The Common Iliac Vein is clinically significant as it can be affected by various medical conditions. These include Deep Vein Thrombosis (DVT), a condition where a blood clot forms in the deep veins of the body, often in the leg. Another condition is May-Thurner Syndrome (MTS), a rare condition that occurs when the right common iliac artery compresses the left common iliac vein, increasing the risk of DVT.
Related Terms
- External Iliac Vein
- Internal Iliac Vein
- Inferior Vena Cava
- Deep Vein Thrombosis
- May-Thurner Syndrome
External links
- Medical encyclopedia article on Common iliac vein
- Wikipedia's article - Common iliac vein
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