74 THE NERVOUS SYSTEM 



or of the sense of hearing (tensor veli palatini and tensor 

 tympani, p. 204). 



Four large sensory branches arise from the mandibular 

 nerve immediately below the foramen ovale. 



Supra-orbital nerve- 



Auriculo-temporal nerve 



Zygomatico- temporal nerve 



Supra-trochlenr nerve 



Lacritnal nerve ~~ " 



Infra-trochleai nerve -/ 



Zygomatico-facial nerve -^ 



Infra-orbital nerve ' J~ 



External nasal nerve A 



Buccinator nerve - 



Mental nerve 



FIG. 40. The Cutaneous Branches of the Trigeminal Nerve. 



i. The Auriculo-temporal Nerve receives a communicating 

 branch from the otic ganglion (p. 70) and passes backwards 

 under cover of the neck of the mandible. It then enters the 

 parotid gland and, after supplying it with secretory fibres, 

 ascends over the zygomatic arch immediately in front of the 



