Subcostal vein

Subcostal Vein

The subcostal vein is shown in this illustration from Gray's Anatomy.

The Subcostal vein is a significant part of the human circulatory system. It is located in the thoracic region of the body, specifically beneath the rib cage. The subcostal vein is responsible for draining the thoracic wall and the abdominal wall.

Structure

The subcostal vein is the most inferior of the intercostal veins, located just below the last rib. It runs parallel to the subcostal nerve and the subcostal artery. The vein drains into the azygos vein on the right side and the hemiazygos vein on the left side.

Function

The primary function of the subcostal vein is to drain blood from the lower part of the thoracic and abdominal walls. It carries deoxygenated blood back to the heart, contributing to the body's overall circulatory function.

Clinical significance

Understanding the structure and function of the subcostal vein is crucial in various medical procedures, including thoracic surgery and vascular surgery. It is also significant in diagnosing and treating conditions such as thoracic outlet syndrome and deep vein thrombosis.

See also

• Intercostal veins
• Azygos vein
• Hemiazygos vein

References

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