Accessory hemiazygos vein
Accessory Hemiazygos Vein
The Accessory Hemiazygos Vein (pronunciation: ak-ses-uh-ree hem-ee-az-i-gos vein) is a significant component of the human circulatory system.
Etymology
The term "Accessory Hemiazygos Vein" is derived from the Greek words "hemi" meaning half, "azygos" meaning unpaired, and "accessory" indicating its supplementary nature to the azygos vein system.
Definition
The Accessory Hemiazygos Vein is a vein that drains the intercostal spaces of the upper left side of the body. It is typically found on the left side of the vertebral column and is considered an important part of the venous system.
Function
The primary function of the Accessory Hemiazygos Vein is to drain blood from the posterior walls of the thorax and abdomen. It typically receives blood from the left superior intercostal vein and the left 4th to 8th posterior intercostal veins. It then crosses the midline posterior to the aorta to drain into the azygos vein.
Related Terms
See Also
External links
- Medical encyclopedia article on Accessory hemiazygos vein
- Wikipedia's article - Accessory hemiazygos vein
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