• Origin: Formed by the union of the Right Ascending Lumbar Vein and Right Subcostal Vein
  • Travels through the Aortic Opening under shelter of Right Crus
    • Lateral to the Thoracic Duct
  • Passes upwards lying on the sides of the Vertebral bodies on a plane posterior to that of the Oesophagus
  • Termination: Superior Vena Cava
    • At level of T4
    • Azygos Vein arches forwards over the Hilum of the Right lung
  • Receives blood from:
    • Lower 8 Posterior Intercostal Veins of the Right Side
    • Superior intercostal vein
    • Bronchial veins from the Right Lung
    • Pericardial Veins
    • Veins from the Middle third of the Oesophagus
  • Two Hemiazygos Veinsusually join it at the levels of T7 and T8

Source: NETTER ATLAS 8th