EFFERENT, OR MOTOR PATHS. 



371 



Fibers from red nucleus 

 to^nucleus dentatus 



Temporo-pontal tract 

 Intermediate tract 

 Fronto-Pontal tract 



Nucleus pontis containing end- 

 ings of cerebro-pontal tracts 

 and origin of brachium tontis 



Descending ant. cerebello- 

 spinal tract 



Rubro-spinal tract 



Cord 



Anterior root of spinal nerve 



Fig. 106. Indirect motor paths to the spinal nerves. Diagrammatic. (Original.) 



Motor paths from cerebral cortex through the cerebellum to spinal nerves. A. Fronto- 

 pontal tract rising in frontal lobe. B. Intermediate tract rising in lentif orm nucleus. C. Tem- 

 poro-pontal tract rising in middle and inferior temporal gyri. Also rubro-spinal tract. 

 represent points of perforation in the sections. 



