THE STRUCTURE OF THE BRAIN STEM 



435 



Corpus GiJIosum ^ 



Rfcd Nucleus 



Peduncle 

 Cerebellum _- 



v/i&n Iter 

 Median Filler 



Penf*re Nucleus 



-Corfitel FibrfS 



5|>ino-CerebelUr 

 Tracts 



/Co-ordin&tion 

 \ Muscular Tont I 



Pyramid 



Deep flrcuafe Fibres 



Dorsal Column (direct) 

 /stnst of position ] 

 \ - moi/emenf/ 



S[>indJ Ganglion 



Nerve_ 



Crossed Sensory Fibres 

 /Pain. He&t& Cold) 

 llouch & Pressure/ 



__ Inferior Olive 



TRACTS. 



FIG. 198. Diagram of ascending tracts between the spinal cord and brain (GORDON 

 HOLMES), with the probable path of sensory impulses. 



