392 



THE BRAIN 



attachments only which come under notice of the dissector 

 at the present time. 



No fewer than eight pairs of the cerebral nerves, from the 

 fifth to the twelfth inclusive, have a superficial attachment to 



Optic chiasma 



Infundibulum 



Olfactory bulb 



Olfactory tract 



Abducen 

 nerve 



Hypoglossal 

 nerve 



Trigeminal 



Motor root of 

 facial nerve 

 Acoustic nerve 



nsory root of 

 facial nerve 



Glosso pharyngeal 

 nerve 



Pyramid 



Vagus nerve 

 Accessory nerve 



Spinal medulla (cut) Hypoglossal nerve 



FIG. 149. The Base of the Brain with the Cerebral Nerves attached. 



the medulla oblongata and the pons that is to the ventral part 

 of the hind brain. 



Nervus Hypoglossus. Upon the lateral aspect of the upper 

 half of the medulla oblongata there is a very conspicuous oval 



