FIGURE 90 



96 Dissection of main lymphatic vessels of neck and thorax in an adult cat 



(No. 29). 



1 External jugular vein and lymphatics. 



2 Common jugular vein. 



3 Jugular lymph sac. 



4 Inferior thyroid lymphatics. 



5 Subclavian vein. 



6 Internal mammary lymphatics. 



7 Internal mammary artery. 



8 Broncho-mediastinal or ventral rnediastinal lymphatic trunk 



9 Thyrocervical artery. 



10 Cephalic vein and lymphatics. 



11 Vertebral vein. 



12 Thoracic duct, preazygos segment. 



13 Left subclavian artery. 



14 Junction of preazygos and azygos segments of thoracic duct. 



15 Oesophagus. 



16 Azygos segment of thoracic duct. 



