188 



INTRODUCTION TO NEUROLOGY 



These nervous impulses enter the cerebellar hemispheres from 

 the pons by the middle cerebellar peduncles. 



corpus 

 restiforme 



nuc.fosc. 

 gracilis ef 

 cuneatus 



tr. olivo<ereh 



tr. spino- 

 cereb. dorg. 



(Flechsi 



TK spino -oil vans' 

 tr. cortico-spinalis' 



c erebellum 



brachium 

 conjuncfivum 



tecto-cereb. 

 -cereb, 



mesencephalon 



central 



tegmental 



tract. 



tr cortico- 



x oliva inferior cerebellaris 



tr.spino-cereb.ventr. (Cowers) 



Fig. 87. Diagram of the chief afferent tracts leading into the cerebellum. 



nuc. dentatus 

 roof nuclei 



ochium pontis 



brachiurn 



conjunctivum 



tr. cereb.-Tegmentalis 

 hali 



rnesencephalon 



iro.thal. 



corpus restiforme 



-tr rubro- 

 spinalis 



Tr cerebello- 



tegmentalis 



oliva inferior^ \ pontis 



Jtr. cerebello-tegmentalis bulbi 

 Fig. 88. Diagram of the chief efferent tracts leading out of the cerebellum. 



Fibers leave the cerebellum by all three peduncles for the 

 motor centers of the brain stem (the cerebello-tegmental tracts, 



