THE NERVOUS SYSTEM 



459 



Vagus root gong. 



Accessory root gang. 



/X root qanq. 



Gong, petros 

 N tymp 



Br to 

 carotid plexus 



Froriep 



XI. 



FIG. 125, b. Reconstruction of peripheral nerves in human embryo. 

 [After STREETER.] Six weeks human embryo, I7.5mm long. 

 For abbreviations see Fig. 125, a. 



