552 



THE CRANIAL NERVES. 



Summary. — The facial nerve is the motor nerve of the face. It is 

 distributed to most ot the muscles of the ear, and to the muscles of the 



Fig. 5ii. 



Fig. 344.— Superficial Distributiox op tub Facial, Trigeminal, and other Nerves 

 OF THE Head (from Sappey after Hirschfeld and Leveillc). | 



a, References to the Facial Nerve. — 1, trunk of the facial nerve after its exit from the 

 stylo-mastoid foramen ; 2, posterior auricular branch ; 3, filament of the great auricular 

 nerve uniting with the foi-egoing ; 4, twig to the occipitalis muscle ; 5, twig to the pos- 

 terior auricular muscle ; 6, twig to the superior auricular muscle ; 7, branch to the 

 digastric ; 8, that to the stylo-hyoid muscle ; 9, superior or temporo-facial division of the 

 pes anserinus ; 10, temporal branches ; 11, frontal ; 12, palpebral or orbital ; 13, nasal 

 or infraorbital ; 14, buccal ; 15, inferior or cervico-f;vcial division of the nerve ; 16, labial 

 and mental branches ; 17, cervical branches. 



5, References to the Fifth Nerve. — 18, temporo-auricular nerve (of the inferior 

 maxillary nerve) uniting with the facial, giving anterior auricular and jwrotid branches, 

 and ascending to the temporal region ; 19, external frontal or supra-orbital nerve ; 20, 

 internal frontal; 21, palpebral twigs of the lachrymal; 22, temporal branches of the 

 infratrochlear ; 23, malar twig of the orbito-malar ; 24, external nasal twig of the 

 ethmoidal ; 25, infraorbital nerve ; 26, buccal nerve uniting with branches of the facial ; 

 27, labial and mental branches of the inferior dental nerve. 



c, Cervical Nerves. — 28, great occipital nerve from' the second cervical ; 29, g eat 

 auricular nerve from the cervical plexus ; 30, lesser occipital ; 31, another branidi with 

 a similar distribution ; 32, superficial cervical, uniting by several twigs with the facial. 



