70 



NERVOUS SYSTEM OF THE HORSE 



The fourth or trochlear nerve may be seen emerging between the pons and the 

 cerebral hemisphere, but its connection ^^^th the brain is not visible. 



The fifth or trigeminal nerve is connected with the lateral part of the pons. 



Fig, 029. — Base of Braix of Horse About Natural Size. 

 Hardened in situ. 



The sixth or abducent nerve arises just behind the pons and lateral to the 

 pyramid of the medulla. 



The seventh or facial and the eighth or acoustic nerves arise close together 

 just behind the pons on the extremity of the corpus trapezoideum. 



