320 



THE RHOMBEXCEPHALON. 



TABLE H. 



SENSORY NERVES AND SENSORY ROOTS. 

 Ganglion of Origin. Entrance Into Brain. Terminal Nucleus. 



Olfactory cells in nasal 

 mucous membrane. 



Ganglionar layer of the 

 retina. 



Mitral and brush cells 

 of bulb (a part of cere- 

 bral hemisphere). 



Nuclei of same in inter- 

 brain and mid-brain. 



i. Olfactory (Smell). 

 Under surface of olfac- 

 tory bulb. 



2. Optic (Sight). 

 Surface of lateral genic- 

 ulate body, pulvinar 

 of thalamus and su- 

 perior quadrigeminal 

 colliculus. 



5. Trigeminal (Sensory Root). 



Anterior surface of the Nucleus tractus spinalis 

 pons. n. trigemini reaching 



from mid-pons to sec- 

 ond cervical nerve. 



Intermediate Nerve (Sensory Roof) (Taste). 



Geniculate ganglion. Groove between pons Nucleus tractus solitarii 



and medulla, between beneath inferior fovea 

 seventh and eighth in medulla, 

 nerves. 



8. Acustic (Hearing and Equilibrium). 



Semilunar ganglion. 



Cochlear Root. Spiral 

 ganglion (of Corti). 



Vestibular Root. Vestib- 

 ular ganglion. 



Groove between pons Cochlear Nuclei. Ven- 

 and medulla. tral and lateral, placed 



ventral and lateral to 

 restiform body in me- 

 dulla. 



Vestibular Nuclei.-Prin- 

 cipal, Deiters's and nu- 

 cleus of descending 

 root, in floor of fourth 

 ventricle in medulla. 



9. Glossopharyngeal (Sensory Roof) (Taste, etc.}. 



Superior and petrosal Posterior lateral sulcus Nucleus tractus solitarii 

 ganglia in jugular of medulla. and nucleus alae cin- 



foramen. ereae in medulla. 



