Cortical substance 



Hair cuticle 



\ 



Cuticle of root 

 sheath 



Huxley "*s_ 

 layer 



Outer root sheath 



Cells of 

 hair follicle 



^N Blood vessel* 



\Hyaline layer 



Blood vessels 



FIG. 245. Cross-section of a hair and hair follicle in lower half of root. Human scalp. 

 Hsematoxylin and eosin. x 400. 



Medullary Stance 



Cortical substance 



Hair cuticle 

 Cuticle of root sheath 

 Huxley's layer 

 Henle's layer 



Outer root s'heath 

 Hyaline layer 

 Hair follicle 

 Blood vessei 



Fat cells 



FIG. 246. From a longitudinal section through the axis of a hair ?nd its root sheath. 

 Human scalp. Hsematoxylin and eosin. X 550. 



