HAIR. 



321 



Cortical substan 



Medullary substance. J 



atfej 

 ffc^M !* 



[ Hair. 



Longitudinal fiber 

 layer. 



Circular fiber layer. 



Connective tissue. 



Hyaline membrane 



Outer epithelial 

 sheath. 



Henle's layer. 

 Huxley's layer. - 



Cuticle of the inner 

 sheath. 



Papilla. 



FIG. 372 LONGITUDINAL SECTION OF THE LOWEST DIVISION OP THE ROOT OP A HAIR; the kerato- 

 hyahne granules are colored red. From a vertical section of the human scalp. X 200. 



