CHAPTER XV 

 THE SKIN 



THKskin consists of two layers, the outer called the epidermis, 

 and the inner called the dermis. 



The skin is thickest on the soles of the feet and palms 



B 



Fie. 77. The skin. 



A. Section of skin showing sweat glands. ./ , epidermis ; i, its deeper or Malpighian 

 layer ; e, </, dcrmis ; f, fat ; g, sweat glands ; A, ducts ; /, o|wnin^ of duct on 

 surface. 



H. Section of skin showing hairs and sebaceous glands. /, fine muscles connected 

 with tlic li.iir slK-.illi^, . . 



of the h.nuls, and on tlic back, where it may be as much as a 

 quarter of an inch thick. 



The epidermis, or cutii !<, i-^ Conned of many layers of 



