112 



INNERVATION. 



[CHAP. xx. 



I. Frontal 



c. Nasal 



to the subjoined tabular arrangement of the distribution of each of 

 its three divisions. 



TABULAR VIEW OF THE DISTRIBUTION OF THE FIFTH NERVE. 



I. OPHTHALMIC (anastomoses with sympathetic). 



!1. b. To lacrymal gland. 

 2. b. To unite with temporo-malar branch of supra- 

 maxillary nerve. 

 3. b. To external canthus, eyelids, etc. 



1. Supra-trochleator b, to integuments of internal can- 



thus, conjunctiva, lids, etc. 



2. Continued frontal nerve, or supra-orbital. 



1. Lenticular b, to the ophthalmic ganglion. 



2. Ciliary nerves, two in number. 



3. Nasal b, to the mucous membrane and skin of the 



anterior part of the nostril. 



4. Infra-trochleator, to the inner canthus and side of the 



nose. 



II. SUPERIOR MAXILLARY (three stages, cranial, spheno-maxillary, orbital). 



a. Temporo-malar b. Anastomoses with the lacrymal and is distributed 



to the integument of the temporal and malar regi on. 



b. Spheno-palatine b. Two or three in number, which pass to the spheno- 



palatine ganglion. 



c. Post, superior dental. Two or three in number, going to the posterior 



teeth of the upper jaw ; one branch passing along 

 the interior of the antrum, and anastomosing with 

 the anterior superior dental. 



d. Ant. superior dental b. Supplies the anterior teeth of the upper jaw. 



!1. Palpebral. ) 

 2. Labial. f Supplying ^the integuments of 

 3. Nasal. ) those regions. 

 III. INFERIOR MAXILLARY. 



a. Masseteric b. To the masseter muscle. 



b. Deep temporal b. Two in number, to the temporal muscle. 



c. Buccal b. Ajaastomoses with branches of the facial, and goes to the 



external pterygoid and buccinator muscles, and to the 

 mucous membrane of the mouth. 



d. Pterygoid b. To the circumflexus palati and internal pterygoid muscle. 



e. Superficial temporal b. Anastomoses with the facial, and is distributed 



to the skin of the temporal region and external ear. 



By its mylo-hyoid branch to the mylo-hyoid and 



digastric muscles. 



/. Inferior dental b. <{ To the teeth, alveoli and gums of the lower jaw ; 

 and by the mental branch to the integuments and 



mucous membrane of the lower lip. 

 Is joined by the chorda tympani. 

 Connecting filaments to the submaxillary ganglion 

 g. Lingual b. . or plexus. 



Anastomotic branches to the ninth nerve. 

 Branches to mucous membrane of the tongue. 



