868 



THE NERVOUS SYSTEM. 



Superior cervical ganglion.--\^ : 



Middle cervical ganglion. 



/ 

 Inferior cervical ganglion. 



^Pharyngeal branches. 

 Cardiac branches. 



Deep cardiac plexus. 



Superficial cardiac plexus. 



Solar plexus. 



Aortic plexus. 



Hypogastric plexus 



Sacral ganglia. 



Ganglion impar. 



FIG. 512. The sympathetic nerve. 



