Fig. 17 Cortex cerebri of normal term foetus. Area precentralis|B2 (Elliot 

 Smith). /., plexiform layer; 77. , small pyramid layer, the cells here 'are small 

 and many are quite embryonic; 777., layer of medium and large pyramids; IV., 

 granule layer which is a very thin and indistinct lamina; V, Betz cell^layer; VI, 

 polymorphic layer. X 65. 



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