208 



ANATOMY FOR NURSES 



[Chap. XI 



on the right side of the vertebral column to the level of the fourth 

 thoracic vertebra, where it empties into the superior vena cava. 



The left lower azygos vein commences on the left side of the abdo- 

 men ill a manner similar to the right. It ascends on the left side 



PER END OF 

 ORACIC DUCT 



Fig. 135. — Azygos and Intercostal Veins. (Gerrish.) 



of the vertebral column, and at about the level of the eighth 

 thoracic vertebra it connects with the right azygos vein. 



The left upper azygos vein connects above with the superior 

 intercostal vein, and opens below into either the left lower azygos, 



