SWEAT GLANDS 



211 



erage individual. They are particularly abundant in 

 the skin of the palms of the hands and soles 



FIG. 61. Vertical section of skin. 



A, sebaceous gland opening into hair- follicle; B, muscular fibers; C, sudorif- 

 erous or sweat-gland; D, subcutaneous fat; E, fundus of hair- follicle, with hair- 

 papilla. (Kirkes after Klein.) 



of the feet. They belong to the simple tubular type, 

 and consist of a secreting portion and an excretory duct. 



