Figure 15 



1, Precardinal vein 14, 



2, External jugular-cephalic vein 



3, Jugular lymphsac 15, 



4, Duct of Cuvier 



5, Primitive ulnar vein 16, 



6, Postcardinal vein 



9, Brachial plexus 17, 



10, Primitive ulnar lymphatic 



11, Brachio-cephalic anastomosis 



12, Subclavian vein 



13, Anlages of subclavian, axillary and 



mediastinal systemic lymphatics 18, 



296 



Subclavian or axillary lymphatic 

 sinus 



Common jugular lymphatico-ve- 

 nous tap 



Jugulo-subclavian lymphatico-ve- 

 nous tap 



Ventral prolongation from sub- 

 clavian approach of jugular 

 lymphsac to meet subclavian, 

 axillary and mediastinal systemic 

 lymphatics (13) 



Jugular systemic lymphatic anlages 



