THE STRUCTURE OF THE BRAIN STEM 



3*7 



Ttalamo-Corfi(al fibres 



rum 



Rtd Nucleus 



Ittr 

 Median Filler 



Subsfo.nfi& Ni 



Peduncle 



Cerebellum ~--"" 



Pent&fe Nucleus 



Crossed Sensory Fibres 

 /P^m. He*t8c Cold\ 

 vlouch & Pressure/ 



Tract's 



/Co- ordination 

 Muscular Tone 



Pyramid 



Deep Arcuate Fibres 



Dorsal Column (direct") 

 /senst of (josifion 

 - moi/emenf 



Sj)ino.l Ganglion 



Nerve _. 



FIG. 197. Diagram of ascending tracts between the spina cord and brain (GORDON 

 HOLMES), with ; the probable path of sensory impulses. 



