CHAPTER XVI 



ELIMINATION 



THE SKIN 



The skin, or integument, is the elastic and protective covering 

 of the body. It covers the entire exterior surface and is continuous 

 at the orifices of the body with the mucous membranes of the 

 interior surfaces. It consists of two layers, a deep one called the 



FIG. 166. 



Showing the layers of the skin (greatly magnified), with the sweat glands and oil 

 glands, and a hair in its follicle. (Brubaker.) 



corium, also the cutis vera or true skin, or derma, and a superficial 

 one called the epidermis or cuticle. 



The corium or "true skin" (cutis vera) is a vascular, elastic and 

 sensitive layer, red and soft; resting upon a loose subcutaneous 

 tissue. Its deep portion is well supplied with vessels and nerves 



