336 



THE FIFTH NERVE. 



and nasal; 15, inferior maxillary, receiving the motor portion of the fifth 

 pair ; 16, superficial auriculo-temporal nerve ; 17, buccal nerve ; 18, sec- 

 tion of other collateral branches of inferior maxillary ; 19, inferior den- 

 tal ; 20, mental nerve ; 21, lingual ; 22, chorda tympani ; 23, facial 

 nerve ; A, external carotid artery ; B, facial artery ; C, temporal artery ; 

 D, internal maxillary ; E, its dental branch ; F, middle meningeal ; a, 

 membrana tympani ; #, glenoid cavity ; <?, orbicularis oris ; d, buccina- 

 tor ; , pterygoideus internus ; /, pterygoideus externus ; g, digastric ; 

 h sterno-cleido-mastoid muscle. 



THE FIFTH NERVE, THE GANGLION OF GASSER BEING REMOVED. 



Fig. 165. Fig. 165 : 1, ophthalmic, cut ; 2, 



superior maxillary, cut at both ex- 

 tremities ; 3, ganglion of Meckel ; 4, 

 petrosal and carotid branch of vidian 

 nerve ; 5, abducent ; 6, nerve of Ja- 

 cobson ; 7, superior and posterior 

 dental nerves ; 8, anterior and supe- 

 rior dental nerve ; 9, otic ganglion ; 

 10, gustatory nerve ; 11, chorda tym- 

 pani ; 12, submaxillary ganglion ; 

 13, anastomosis of lingual with hy- 

 poglossal ; 14, sublingual plexus ; 15, terminal branches of gustatory or 

 lingual nerve ; 16, inferior dental ; 17, mylo-hyoid branch ; 18, mental ; 

 19, incisive nerve ; 20, ganglion of glosso-pharyngeal ; 21, facial, in the 

 aqueduct of Fallopius ; 22, hypoglossal ; a, superior maxillary bone ; b, 

 cartilages of the nose ; , internal wall of tympanic cavity ; d, ptery- 

 goideus internus muscle ; , buccinator, cut ; y, mylo-hyoid muscle ; g, 

 part of anterior belly of digastric ; A, sterno-cleido-mastoid, turned aside. 



The fifth nerve. 



ILLUSTRATION OF THE TERMINAL BRANCHES OF THE 

 INFERIOR MAXILLARY NERVE. 



Fig. 166 : 1, motor and sensory roots 

 of ganglion of Gasser ; 2, junction of mo- 

 tor root with inferior maxillary; 3, auricu- 

 lo-temporal nerve ; 5, buccal nerve ; 6, 

 pterygoid nerves ; 7, cut branches of tem- 

 poral and masseteric nerves ; 8, gustatory 

 nerve; 9, chorda tympani; 10, facial; 11, 

 anastomosis of gustatory and inferior den- 

 tal nerves ; 12, tonsillar branch ; 13, sub- 



The inferior maxiiiary. maxillary ganglion ; 14, sublingual plex- 



us; 15, anastomosis of gustatory and hypoglossal nerves; 16, branches 



