800 



THE NERVOUS SYSTEM. 



Superior cervical ganglion. 

 Middle cervical ganglion. /- 7i . 



' / 



Inferior cervical ganglion. 



Sacral ganglia. 



Ganglion impar. 



^-Pharyngeal branches. 



Cardiac branches. 



Deep cardiac plexus. 



Superficial cardiac plexus. 



Solar plexus. 



Aortic plexus. 



Hypogastric plexus. 



FIG. 425. The sympathetic nerve. 



