Vena iliolumbalis

Vena iliolumbalis is a vein in the human body that drains the iliac and lumbar regions. It is a significant part of the venous system, which is responsible for returning deoxygenated blood back to the heart.

Anatomy

The vena iliolumbalis, also known as the iliolumbar vein, originates in the lower back (lumbar region) and the iliac region. It typically arises from the common iliac vein and drains into the internal iliac vein. However, variations in its origin and drainage pattern are common.

Function

The primary function of the vena iliolumbalis is to drain deoxygenated blood from the iliac and lumbar regions. This blood is then returned to the heart via the venous system, where it is reoxygenated and circulated back to the body.

Clinical significance

Due to its location and function, the vena iliolumbalis can be involved in various medical conditions. For instance, it can be affected by thrombosis, a condition where a blood clot forms in a vein. It can also be involved in varicose veins, a condition where veins become enlarged and overfilled with blood.

See also

• Iliac vein
• Lumbar vein
• Venous system

References

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