Subcostal vein
Subcostal vein
The Subcostal vein (pronounced: sub-kos-tal vein) is a significant part of the human circulatory system.
Etymology
The term "Subcostal" is derived from the Latin words "sub" meaning under and "costa" meaning rib. Thus, the term refers to the vein that runs under the rib.
Definition
The Subcostal vein is a paired vein, with one located on each side of the body. It is responsible for draining the thoracic wall and the superior diaphragm. It is the vein that accompanies the subcostal nerve and the subcostal artery beneath the twelfth rib.
Anatomy
The Subcostal vein begins at the lower border of the twelfth rib. It runs along the inferior margin of the twelfth rib, parallel to the course of the subcostal nerve and the subcostal artery. It drains into the inferior vena cava, the large vein that carries deoxygenated blood from the lower half of the body back to the heart.
Related Terms
- Inferior vena cava: The large vein that carries deoxygenated blood from the lower half of the body back to the heart.
- Subcostal nerve: The nerve that runs under the twelfth rib, parallel to the subcostal vein and artery.
- Subcostal artery: The artery that runs under the twelfth rib, parallel to the subcostal vein and nerve.
See Also
External links
- Medical encyclopedia article on Subcostal vein
- Wikipedia's article - Subcostal vein
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