THE CORTICAL GRAY MATTER. 



189 



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Fig. 59. Cell and fiber lamination in the anterior half of the posterior central 

 gyms. The COMMON SENSORY 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 fibers. B. Showing only cell-bodies, z. Stratum zonale. s. Supra- 

 radiary zone. B. Line of Baillarger. R. Radiary zone. I. Plexiform layer. 2. Layer of 

 small pyramids. 3. Layer of medium-sized pyramids. 4. External layer of large pyramids. 

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



