130 



THE HUMAN BODY 



lining the nose, and to the integument over it. The second di- 

 vision (superior maxillary nerve) of the trigeminal gives branches 

 to the skin over the temple, to the cheek between the eyebrow 

 and the angle of the mouth, and to the upper teeth ; as well as to 

 the mucous membrane of the nose, pharynx, soft palate and roof 



ncl 



FIG. 64. The base of the brain. The cerebral hemispheres are seen overlapping 

 all the rest. I, olfactory lobes ; //, optic tract passing to the optic chiasma from 

 which the optic nerves proceed; ///, the third nerve or motor oculi; IV, the fourth 

 nerve or patheticus; V, the fifth nerve or trigeminalis; VI, the sixth nerve or ab- 

 ducens; VII, the seventh or facial nerve or portio dura,; VIII, the auditory nerve 

 or portio mollis; IX, the ninth or glossopharyngeal ; X, the tenth or pneumogastric 

 or vagus; XI, the spinal accessory; XII, the hypoglossal; ncl, the first cervical 

 spinal nerve. 



of the mouth. The third division (inferior maxillary] is the 

 largest branch of the trigeminal; it receives some fibers from the 

 larger root and all of the smaller. It is distributed to the side of 

 the head and the external ear, the lower lip and lower part of the 

 face, the mucous membrane of the mouth and the anterior two- 



