FIGURE 99 



99 Schema showing composite picture of left jugular lymph sac, broncho me- 

 diastinal trunk and preazygos segment of thoracic duct. 



1 External jugular vein and lymphatics. 



3 Jugular lymph sac. 



5 Subclavian vein. 



6 Internal mammary lymphatics. 



8 Broncho-mediastinal or ventral mediastinal lymphatic trunk. 



9 Thyro-cervical artery. 



10 Cephalic vein and lymphatics. 



11 Vertebral vein. 



12 Thoracic duct, preazygos segment. 



13 Left subclavian artery. 



16 Azygos segment of thoracic duct. 



17 Internal jugular vein and lymphatics. 



18 Jugular approach and tap. 



19 Subclavian approach and tap. 



20 Innominate artery. 



23 Innominate vein. 



24 Vena cava superior. 

 2.1 Left carotid artery. 

 26 Aorta. 



