800 



THE NERVOUS SYSTEM. 



Superior cervical gang!wn.-\-^ 



Middle cervical ganglion. 



Inferior cervical ganglion 



Pharyngeal branches. 

 Cardiac branches. 



Deep cardiac plexus. 



Superficial cardiac plexus. 



Solar plexus. 



Aortic ptexus. 



Hypogastric plexus. 



Sacral ganglia. 



Ganglion impar. *^r 



FIG. 425. The sympathetic nerve. 



