FIGURES 26<> AND 267 



266 Same, section 11. 



267 Same, section 15. 



Sympathetic nerve. 



Intersegmental arteries. 



Right azygos vein, thoracic portion. 



Extraintimal or perivenous lymphatic space surrounding degen- 



erating embryonal vein. 

 Left azygos vein, thoracic portion. 

 Aorta. 



Interazygos venous plexus. 

 Thoracic duct, azygos segment. 

 Mesenteric lymphatics. 



