THE STRUCTURE OF THE BRAIN STEM 



435 



Corpus GJlosum .. X \ 



Rtd Nucleus 



n Ittr 



Median Fillcf 



Cerebellum - -- 



Crossed Sensory Fibres 



/Pain. 



vfouch & Pressure/ 



Inferior Olive 



Pyramid 



Deep flrcu&fe Fibres 



S[)ino-CerebelU 

 Tracts 



I Co- ordination 



\ Muscular Tone / 



Dorsal Column (direct) 

 /sense of f>osifion 

 \ - movement'/ 



TRflCTS. 



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

 HOLMES), with the probable path of sensory impulses. 



