ANTERIOR ASPECT OF HEAD AND NECK. 



auditory, it runs through the Fallopian aqueduct. Here it at 

 first bends backward on the inner side of the tympanum and 

 then descends in the inner wall of the tympanic antrum. Then 

 emerging at the stylo-mastoid foramen it runs forward in the 

 parotid gland, over the external carotid artery and temporo- 

 maxillary vein, and spreads out in the pes anserinus. [686] 



The geniculate ganglion is an oval swelling on the nerve 

 where it bends in the aqueduct; it communicates with the 

 auditory. Branches: The large superficial pelrosal runs 

 through the hiatus Fallopii and joins the great deep petrosal 

 over the foramen lacerum medium, forming the Vidian; this 

 runs through the Vidian canal to Meckel's ganglion. The ex- 

 ternal superficial petrosal (inconstant) goes to the middle 

 meningeal plexus of the sympathetic. A small branch joins 

 the tympanic branch of the glosso-pharyngeal in the temporal 

 bone, forming the small superficial petrosal, which joins the 

 otic ganglion. [686] 



Branches of Facial in the Aqueduct (from the lower part). 

 A branch supplies the Stapedius and another joins the auricular 

 (vagus). The chorda tympani runs through the iter chordae 

 posterius, across the drum and handle of the malleus, in the 

 tympanum, and then through the iter chordae arterius, and 

 joins the lingual below the External pterygoid; it supplies a 

 root to the submaxillary ganglion, communicates with the otic 

 ganglion, and supplies (taste?) the anterior two- thirds of the 

 side and dorsum of the tongue. [687] 



Branches in the Neck. A branch supplies the Stylo-hyoid, 

 and another the posterior belly of the Digastric; the latter 

 may communicate with the glosso-pharyngeal. The posterior 

 auricular ascends over the mastoid process and divides into an 

 auricular branch to the Retrahens aurem and intrinsic muscles 

 of the pinna, and an occipital branch to the posterior belly of 

 the Occipito-frontalis ; it communicates with the great auric- 

 ular, small occipital, and auricular (vagus). [687] 



Branches in the Parotid Gland. The nerve communicates 



[73] 



