398 



THORACIC DUCT. 



right subclavian with the right internal jugular vein, at the point 

 where these veins unite to form the right vena innominata. It is pro- 

 vided at its termination with a pair of semilunar valves, which prevent 

 the entrance of blood from the veins. 



artery is shewn by a dotted line. 14. The duct making its turn at the 

 root of the neck and receiving several lymphatic trunks previously to termi- 

 nating in the posterior aspect of the junction of the internal jugular and sub- 

 clavian vein, 15. The termination of the trunk of the ductus lymphaticus 

 dexter. 



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