THE SKIN 



93 



polygons or compressed spheroids, with large, oval nuclei, and 

 minute, projecting spines. By means of these processes they are 

 connected with one another. 



The fifth and last (deepest) layer of the epidermis is composed 

 of a single rank of elongated cells, placed with their long axes lit 

 a right angle to the surface of the skin. These cells contain the 



FIG. 66. VERTICAL SECTION OP THE EPIDERMIS FROM THE PALM OP THE HAND. 

 STAINED WITH H^EMATOXYLIN AND EOSIN. (X 400.) 



A. Stratum corneum. 



B. Stratum lucidum. 



C. Stratum granulosum. 



D. Prickle cells of rete mucosum or rete Malpighii. 



E. Stratum of elongated cells, the lower limit of the epidermis. 



F. F. Indicate the position of two papillae of the true skin or derma. 



pigment which gives the hue peculiar to the skin of colored 

 individuals. 



The first two layers of the epidermis constitute, properly, the 

 horny layer ; while the remaining three strata compose the rete 

 mucosum or rete Malpigliii. 



The derma, corium or true skin, is composed of dense, fibril- 

 lated connective tissue, so formed as to present minute elevations 

 or papillae over the entire surface of the body. These papillae are 



