accessory hemiazygos vein

Course

• passes along the bodies of T5-T7
• crosses the midline behind the aorta, esophagus & thoracic duct

Tributaries

4th-7th left posterior intercostal veins

Empties into

• azygos vein (sometimes in common with the hemiazygos vein)

More general terms

• vein

Additional terms

• azygos vein
• hemiazygos vein