122 



ANATOMY OF THE RABBIT 



origin, general distribution and gross function of all of them 

 (Fig. 33;p. i2i). 



The seventh cranial (facial) nerve leaves the brain, in 

 company with the eighth and caudolaterad of the sixth, from 

 the lateral side of the trapezoid body and emerges from the 



Fig. 33. — Brain of rabbit, ventral view, to show relations of principal arteries 

 and origin of cranial nerves. I-XII, cranial nerves. 



cranium through the stylomastoid foramen (which is bordered 

 by the mastoid, tympanic, and petrous portions of the temporal 

 bone; Fig. 2, SF). The first important branch given off is the 

 posterior auricular n. which leaves the seventh as it turns 

 craniad, about two mm. from the stylomastoid foramen, 

 and passes caudolaterad to the caudolateral side of the ear. 



