THE FIFTH NERVE. 



335 



Fig. 162. 



8 7 dJO b 



Nerves in the orbital cavity. 



eye; 2, third nerve ; 3, superior branch ; 

 4, nerve of obliquus inferior; 5, external 

 oculo-motor ; 6, ganglion of Gasser ; 7, 

 ophthalmic branch ; 8, nasal nerve ; 9, 

 ophthalmic ganglion; 10, short root of 

 ophthalmic ganglion; 11, ciliary nerves ; 

 12, frontal nerve ; #, levator palpebras 

 superioris and rectus superior ; Z>, rectus 

 inferior ; c, obliquus inferior ; d, rectus 

 extemus ; e, ring of the recti muscles. 



DIAGRAM OF THE FIFTH NERYE. 



Fig. 163. 



Fig. 163 : 1, ganglion of Gasser ; 

 2, ophthalmic ganglion ; 3, its long 

 root furnished by the nasal branch; 

 4, short root ; 5, sympathetic, from 

 the plexus surrounding the inter- 

 nal carotid ; 6, ciliary nerves trav- 

 ersing the sclerotic ; 7, ciliary gan- 

 glion ; 8, ganglion of Meckel ; 9, 

 its sensory roots from the superior 

 maxillary ; 10, petrous branch of 

 vidian nerve, or motor root of the 

 ganglion of Meckel ; 11, its sym- 

 pathetic root ; 12, naso- palatine 



Diagram of the fifth nerve. ganglion, receiving at its upper an- 



gle the naso-palatine nerve, and at its inferior the anterior palatine ; 13, 

 otic ganglion ; 14, small superficial petrosal ; 15, submaxillary ganglion ; 

 16, sublingual ganglion ; 17, geniculated ganglion; 18, cavernous ganglion. 



GANGLION OF GASSER AND ADJACENT PARTS. 



Fig. 164. _ Fig. 164 : 1, ganglion of Gas- 



ser; 2, ophthalmic nerve; 3, front- 

 al branch ; 4, lachrymal ; 5, nasal ; 

 6, opthalmic ganglion; 7, superior 

 maxillary nerve ; 8, orbital branch ; 

 9, ganglion of Meckel ; 10, petrosal 

 branch of vidian nerve; 11. palatine 

 nerves ; 12, anastomosis of the gan- 

 glion *of Meckel with the nervous 

 plexus surrounding the internal max- 

 illary artery ; 13, posterior and su- 

 perior dental nerves ; 14, suborbital nerve, its anastomoses with facial 



Ganglion of Gasser. 



