CRANIAL NERVES. 



315 



through which it runs, and emerges under cover of the 

 parotid gland from the stylo-mastoid foramen. It runs 

 through the parotid gland and appears at the side of the 

 face as a web-like plexus called the pes anserinus. The 

 facial sends off two sets of communicating branches, 



FIG. HO. NERVES DISTRIBUTED TO THE FACE AND HEAD. 



1, superficial cervical : 2, platysma myoides (muscle); 3, sterno-mastoid (muscle); 4, 

 spinal accessory ; 5. auricularis inagnus : t>, occipitalis minor : 7, great occipital : 8, poste- 

 rior auricular; 9. facial; 10. infra-maxillary : II, supra-maxillary: 12, mental; 13, 

 buccinator (muscle) : 14. buecal; 15, infra-orbital ; 16, malar and infra-orbital nerves; 17, 

 temporal : 18, termination of temporo-malar ; ID, termination of nasal ; 2U, termination of 

 infra-trochlear : 21, termination of supra-trochlear ; 22, temporal branch of auriculo-tem- 

 poral ; 23, 24, supra-orbital. 



intra-cranial and extra-cranial. The intra-cranial com- 

 municating branches are with the auditory ; with Meek- 

 el's ganglion, by the large petrosal nerve, which passes 

 through the hiatus Fallopii and joins the Vidian ; with 

 the otic ganglion, by the lesser petrosal nerve ; with the 



