'128 



PHYSIOLOGY 



If sections of the cortex be stained by some method such as Weigert's, 

 which displays medullated nerve fibres, sheaves of radial fibres may be 

 seen running from the white centre towards the surface and giving off a rich 



220. Diagrammatic section of cerebral cortex. (From BABKER after STARR, 



STRONG, and LEAMING.) 



I, molecular layer with o, bipolar cell ; II, layer of small pyramidal cells ; 

 III, layer of large pyramidal cells ; IV, polymorphous layer ; V, white matter. 



Mi<'-li\\mk of fibres to the intervening portions of the grey matter. In 

 addition, bands of tangential fibres are seen running parallel to the surface 

 in certain situations, viz. : 



