THE CORTICAL GRAY MATTER. 



A 



B 









* 

 .*^ - 



1 



, A 



i : -* v < 



r 



Fig. 58. Cell and fiber lamination in the posterior half of the anterior central 

 gyrus. The MOTOR AREA. (After A. W. Campbell's " Histological Studies on the 

 Localization of Cerebral Function." Published by the Syndics of the Cambridge 

 University Press.) 



A.. Stained to show only fibers. B. Stained to show only cell-bodies, z. Stratum zonale. 

 S. Supraradiary zone. B. Line of Baillarger. R. Radiary zone in the deep part of which 

 is the felt-work of Kaes. I. Plexiform layer. 2. Layer of small pyramids. 3. Layer of 

 medium-sized pyramids. 4. External layer of large pyramids. 5. Stellate or polymorphous 

 cells. 6. Internal layer of large pyramids. 7. Layer of fusiform cells. 



