n Diagram showing the Relation of the Centers of Language and their Principal Associations: A-Auditory center; V-Visual center; M-Motor speech center; E-Motor writing center; 00-Intellectual center. (After Grasset) Superficial Branches of THE FACIAL AND THE FIFTH. 1-Trunk of the facial; 2-Posterior auricular nerve; 3-Branch which it receives from the cervical plexus; 4-Occipital branch; 5, 6-Branches to the muscular ear; 7-Digastric branches; 8-Branch to the stylohyoid muscle; 9-Superior terminal branch; 10-Temporal branches; 11-Frontal branches; 12Branches to the orbicularis palpebrarum; 13-Nasal of suborbital branches; 14-Buccal branches; 15-Inferior terminal branch; 16-Mental branches; 17 Cervical branches; 18-Superficial temporal nerve (branch of the fifth); 19, 20-Frontal nerves (branches of the fifth); 21, 22, 23, 24, 25, 26, 27 -Branches of the fifth; 28, 29, 30, 31, 32-Branches of the cervical nerves. (Hirschfeld) INFERIOR MAXILLARY BRANCH OF THE TRIGEMINAL NERVE. 1-Branch to the masseter muscle; 2-Filament of this branch to the temporal muscle; 3-Buccal branch; 4-Branches anastomosing with the facial nerve; 5Filament from the buccal branch to the temporal muscle; 6-Branches to the external pterygoid muscle; 7-Middle deep temporal branch; 8-Auriculotemporal nerve; 9-Temporal branches; 10-Auricular branches; 11Anastomosis with the facial nerve; 12-Lingual branch; 13-Branch of the small root to the mylo-hyoid muscle; 14-Inferior dental nerve, with its branches (15, 15); 16-Mental branch; 17-Anastomosis of this branch with the facial nerve. (Hirschfeld) Superior maxillary nerve: 2, 3, 4, 5-Dental nerves; 6-Spheno-palatine ganglia; 7-Vidian nerve; 8-Large superficial petrosal; 9-Carotid branch of the large petrosal; 10-Oculo-motor; 11-Superior cervical ganglia; 12Carotid branches of this ganglion; 13-Facial; 14-Glosso-pharyngeal; 15Jacobson's nerve, and 16, 17, 18, 19-Branches to the sympathetic, fenestra retunda, Eustachian tube; 20-Deep external petrosal; 21-Deep internal petrosal. (Hirschfeld) |