accessory vertebral vein

Từ điển WordNet v3.1 - WordNet Dictionary

noun

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
• Syn:
vena vertebralis accessoria
• Hypernyms:
vein, vena, venous blood vessel