FIGURES 80, 81 AND 82 



80 Same, section 25. 



81 Same, section 26. 



82 Same, section 27. 



1 Sympathetic nerve. 



8 Oesophagus. 



9 Trachea. 



12 Jugular lymph sac, thoracic duct approach. 



14 Jugular lymph sac, subclavian approach. 



16 Dorso-medial somatic venous tributaries. 



22 Vagus. 



23 Left carotid artery. 



24 Thyrocervical artery. 

 26 Common jugular vein. 



