Accessory Hemiazygous Vein (Noun)
Meaning
A vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein.
Classification
Nouns denoting body parts.
Examples
- The accessory hemiazygous vein provides an additional pathway for blood to drain from the thoracic walls into the azygos system.
- In some individuals, the accessory hemiazygous vein is more prominent and takes over the function of the hemiazygous vein.
- During the development of the venous system, the accessory hemiazygous vein arises from the fusion of multiple intercostal veins.
- Variations in the anatomy of the accessory hemiazygous vein should be noted in medical imaging reports to avoid misinterpretation.
- Blood flow from the accessory hemiazygous vein eventually joins the superior vena cava through its connection to the azygos vein.