316 PRACTICAL AN ATOM V. 



sympathetic plexus around the external carotid and 

 middle meningeal arteries. The extra-cranial commu- 

 nicating branches are with the pneumogastric, glosso- 

 pharyngeal, great auricular, carotid plexus, auriculo- 

 temporal, and the fifth pair. The other branches of the 

 facial are: 1. In the aquaeductus Fallopii, the tym- 

 panic, distributed to the stapedius and laxator tympani. 

 2. Chorda tympani, given off from the lower part of the 

 aquseductus Fallopii, enters the tympanic cavity through 

 a small foramen at its posterior part. It arches upward 

 between the handle of the malleus and incus, and 

 emerges by a foramen near the anterior inferior angle 

 of the tympanum, enters the canal of Huguier, which is 

 parallel with the Glaserian fissure. It joins the gusta- 

 tory and is distributed to the submaxillary gland and 

 the mucous membrane of the tongue. The facial, as it 

 appears at the side of the face, breaks up into a number 

 of branches distributed to the several muscles, and sends 

 off the digastric, stylo-hyoid, and temporal to these 

 muscles. The posterior auricular, transverse facial, tem- 

 poro-facial, and cervico-facial are distributed to muscles in 

 these regions. 



8. AUDITORY. Arises below the seventh pair, from 

 the same groove posterior to the olivary body, between 

 it and the restiform body. It passes forward and out- 

 ward with the facial and enters the internal auditory 

 meatus, lying beneath the facial. It passes through the 

 vertical cribriform plate of the internal meatus, divides 

 into two sets of branches, those distributed to the 

 cochlea and those distributed to the semicircular 

 canals. (See the Internal Ear.) 



9. GLOSSO-PHARYNGEAL. Arises below the auditory, 

 in the groove between the olivary and restiform bodies. 

 Its deep origin is from the lower part of the floor of the 



