accessory hemiazygos vein

1 definition found

accessory hemiazygos vein - WordNet (r) 2.1 (2005) :

  accessory hemiazygos vein
      n 1: a vein formed by the union of the 4th to 7th posterior
           intercostal veins; empties into the azygos vein [syn:
           accessory hemiazygos vein, accessory hemiazygous vein,
           vena hemiazygos accessoria]