806 THE NERVOUS SYSTEM 



I. Olfactory 



II. Optic 



III. Oculomotor 



IV. Trochlear 

 V. Trigeminal 



A. Ophthalmicus or deep profundus 



B. Maxillaris 



C. Mandibularis 

 VI. Abducens 



VII. Facial 

 VIII. Acoustic 

 IX. Glossopharyngeal 

 X. Vagus 



XI. The spinal accessory 

 XII. Hypoglossal 

 5. The origin and development of the autonomic system 



a. Definition of the autonomic nervous system 



b. Divisions of the autonomic nervous system 



c. Dual innervation of thoracicolumbar and craniosacral autonomic nerves 



1 ) Autonomic efferent innervation of the eye 



2) Autonomic efferent innervation of the heart 



d. Ganglia of the autonomic system and their origin 



E. The sense or receptor organs 



1. Definition 



2. Somatic sense organs 



3. Visceral sense organs 



4. The lateral-line system 



5. The taste-bud system 



6. The development of the olfactory organ 



a. Development of the olfactory organs in SquaUis acanthias 



b. Development of the olfactory organs in the frog 



c. Development of the olfactory organs in the chick 



d. Developm.ent of the olfactory organs in the mammalian embryo 



7. The eye 



a. General structure of the eye 



b. Development of the eye 



c. Special aspects of eye development 



1) The choroid fissure, hyaloid artery, pecten, etc. 



2) The formation of the lens 



3) The choroid and sclerotic coat of the eyeball; the cornea 



4) Contributions of the pars caeca 



5) The origin of the ciliary muscles 



6) Accessory structures of the eye 



8. Structure and development of the ear 



a. Structure 



1 ) Three semicircular canals 



2) An endolymphatic duct 



3) A cochlear duct or lagena 



b. Development of the internal ear 



c. Development of the middle ear 



d. Development of the external auditory meatus and pinna 



F. Nerve-fiber-effector organ relationships 



