accessory vertebral vein

Accessory vertebral vein n. A vein that accompanies the vertebral vein but passes through the foramen of the transverse process of the seventh [more]Accessory vertebral vein - Community and Resources

Noun
1. a vein that accompanies the vertebral vein but passes through the foramen of the transverse process of the 7th cervical vertebra and empties into the brachiocephalic vein
(synonym) vena vertebralis accessoria
(hypernym) vein, vena, venous blood vessel