1042 



THE'NERVOUS SYSTEM 



Fig. 789. Cardiac, Pulmonary, and Coronary Plexuses. (Schematic.) 

 (Modified from Cunningham.) 



Right vagus 



Cervical sympathetic—, 

 trunk 



Superior cardiac nerve 



Middle cardiac nerve" "" ~ ■"V"! ~ 



Cervical cardiac branches 

 of vagus 



Inferior cardiac nerve* 

 Recurrent nerve*. 



Thoracic cardiac branches., 

 of vagus 



Right coronary plexus 



_Superior cervical 

 ganglion 



~ "Left vagus 



Middle cervical 



ganglion 



Inferior cervical 

 ganglion 



Deep cardiac plexus 

 Superficial cardiac plexus 



Left anterior pul- 

 ._ , -' monary plexus 



^Left posterior pulmonary 

 plexus 



Left coronary plexus 



I 



