Integrative Systems 



177 



SYMPATKTIC GANGUA 



RAMI COMMUNICANTES- 



SYMPATHETIC THJNK 



SPLANOtJIC NERVE 



LUMBAR PLEXUS 

 SACRAL NERVE 



COCCYGEAL NERVE 



Fig. 156. The brain and spinal cord of man, in ventral aspect, showing relations 

 of spinal nerves to the chief autonomic ganglions. (Redrawn from Morris, after 

 Allen Thomson. Courtesy, Neal and Rand: "Chordate Anatomy," Philadelphia, 

 The Blakiston Company.) 



