PAPIO CYNOCEPHALUS 333 



reticular formation of the midijrain to enter the predorsal bundle on the one 

 hand, and other decussating dcsccndinp; fibers arising in the red nucleus to 

 form the rubrospinal tract. 



FIG. 156. BABOON. LEVEL OF THE ANTERIOR COMMISSURE. 



AC, Anterior Commissure; cin. Internal Capsule; fdp, Descending Pillar of the Fornix; for, Fornix; glp. 

 Globus Pallidus; nca. Caudate Nucleus; nl. Lateral Nucleus of the Thalamus; nm. Nucleus Medialis 

 Thalami; put, Putamen; V3, Third Ventricle. [Accession No. 150. Section 627. Actual Size 38 X 21 mm.] 



A lateral projection in the cross section indicates the position of the 

 mesial geniculate body ( Mgb), one of the relay stations for the auditory 

 pathway in its further course to the cortical region for hearing in the cerebral 

 hemisphere. 



