The Fifth Nerve 



The fifth or trifacial is the largest of all the cranial nerves, 

 and arises by two roots, a motor and a sensor. The former 



FIG. 58 



Sensory root. 

 Motor root. 



Auriculo-temporal 

 nerve. 



Distribution of the second and third divisions of the fifth nerve and submaxillary 



ganglion. (Gray.) 



is small, and the latter has the Gasserian ganglion upon it. 

 Both arise from the side of the pons superficially, the smaller 



