THE SYMPATHETIC SYSTEM OF NERVES. 



1365 



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



{rem the gangliated cord from the fifth to the ninth gangUa inclusive. Descending 



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









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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 the £-reaf splanchnic ganglion (g. splanchnicum) from 



