14 HEAD AND NECK. 



BRS.I. OPHTHAL'MICUS: sensory; forward through sphenoidal 

 fissure from Casserian ganglion, joined by cavernus plexus of 

 sympathetic. Lachryma'lis* Fronta'lis\ (a) supra-trochlea'ris, 

 (3) supraorbital. Nasa'lis ; ganglionic, long ciliary (2 or 3), 

 infra- trochlear branches. n. SUPE'RIOR MAXILLA'RIS ; sen- 

 sory : forwards through foramen rotundum from Casserk.n 

 ganglion appearing on face through infra-orbital foramen. 

 Orbita'iis\ (a) temporal, (b] malar branches. Sjheno-palati'ni 

 (2). Posteritfrex dcnta'les (2); (a) anterior branches, (b} posterior 

 branches. Ante'rior denta'lis. Palpebra'les. Kasa'les. La- 

 lia'les. All inosculate with branches from facial, in. IN- 

 FE'RIOR MAXILLA'RIS: sensor root from Casserian ganglion, 

 motor unites with it after passing through foramen ovale. 

 ANTERIOR DIVISION: (a) masseteric, (b) deep temporal, (c) 

 buccal, (d) ptcrygoid branches. POSTERIOR DIVISION: Auric- 

 ulo'temfora'iis ; (#) anterior temporal, (b) posterior temporal 

 (out under cover of parotid), (c) communicating with facial, 

 (d) inferior and superior auricular, (e) 2 branches to meatus, 

 (/) branches to temporo-maxillary articulation, (^branches 

 to parotid gland. Gustato'rius , side of tongue to lip; (a) 

 communicating branches, (b) branches of distribution to 

 tongue, gums, etc. ' Infe'rior denta'lis, in dental canal inferior 

 maxilla to teeth, etc.; (a} mylo-hyoid to do muscle, etc., (b) 

 dental branches. 



ft or Atdu'ccnS. From pons, corpus pyramidale and me- 

 dulla through foramen lacerum anterius to supply motor in- 

 fluence to the rectus externus oculi. 



7.h or Facia'l'.S. - From lateral tract medulla and 4th ven- 

 tricle, out through stylo-mastoid foramen to all the muscles of 

 the face, ear and their integument, the platysma, buccinator, 

 digastric, stylo-hyoid, lingualis, stapedius, laxator and tensor 

 tympani, levator palati, and azygos uvulae. Is essentially a 

 motor nerve. Tytn^an'tcus. Chor'da tym'pani. Posterior 

 auricula' r is; (a) auricular branch, (b) occipital branch. Stylo- 

 hyoidefus. Digastric branch. Temforo-facia'lis; (a) tem- 

 poral branches, (} infra-orbital, (superficial and deep 

 branches), (c) malar branches. Ccrvico-facia'lis ; (a) buccal, 

 (3) supra-maxillary branches, (c) infra-maxillary branches. 



8ti or I. Glosso-;har;n23'tis, II. Pnsuzoga:'tricns, III. Spisa'lis 

 AccaS30'rU3. i. and ii. from floor of 4'>.h ventricle; in. from 

 lateral tract of cord as low as 6th cervico-spinalis, and also 

 from medulla just below origin of I. and n. Part i. passes 

 Out through foramen lacerum posterius to supply sensation to 

 mucous membrane of pharynx, fauces, Eustachian tube, 



