1068 



tively, the cardiac, the solar or coeliac, and the hypogastric plexus. They consist 

 of collections of nerves and ganglia, the nerves being derived from the gangliated 

 cords and from the cerebrospinal nerves. They distribute branches to the viscera. 



Superior cervical ganglion. 



Middle cervical ganglion. 



/ 

 Inferior cervical ganglion. 



Sacral ganglia. 



Ganglion impar. \r">.. 



,-c 



Pharyngeal branches. 

 Cardiac branches. 



Deep cardiac plexus. 



Superficial cardiac plexus. 



Solar plexus. 



Aortic plexus. 



Hypogastric plexus 



FIG. 780. The sympathetic nerve system. 



