vena hemiazygos accessoria

Noun vena hemiazygos accessoria has 1 sense

• vena hemiazygos accessoria(n = noun.body) accessory hemiazygos vein, accessory hemiazygous vein - a vein formed by the union of the 4th to 7th posterior intercostal veins; empties into the azygos vein;
is a kind of vein, vena, venous blood vessel