THE SYMPATHETIC SYSTEM OF NERVES. 



1365 



The great splanchnic nerve (n. splanchnicus major) arises by a series of roots 

 rrom the gangliated cord from the fifth to the ninth ganglia inclusive. Descending 

 along the antero-lateral aspect of the vertebral column, this nerve pierces the crus of 



the diaphragm and enters the upper end of the semilunar ganglion, some of its 

 fibres being traceable to the suprarenal body and the renal plexus. In the thoracic 

 portion of its course is developed \hzgreat splanchnic ganglion (g. splanchnicum) from 



