FIGURE 56 



56 Dissection of left cervical region of adult cat, showing reduplication of 

 thoracic duct approach of left jugular lymph sac (Adult No. 83). 



1 External jugular vein and lymphatic-.-. 



2 Common jugular vein. 



3 Jugular lymph sac. 

 5 Subclavian vein. 



9 Thyrocervical artery. 



11 Vertebral vein. 



13 Left subclavian artery. 



18 Jugular approach and tap. 



19 Subclavian approach and tap. 



20 Innominate artery. 



24 Vena cava superior. 



25 Left carotid artery. 



26 Aorta, 



