THE SKIN AND BATHING 265 



in which the hair rests, and the little knob embraced by the hair at its 

 bottom. Notice the whitish cells of the sebaceous glands reaching off 

 from the side toward which the hair points. Underneath the gland will 

 likely be seen the faint outlines of the small muscle which causes the 

 hair to stand on end. 



114. A specimen of nail under the microscope will appear almost 

 transparent, but the papillae of the skin and the young epithelial cells 

 beneath it will show well. 



115. Wash a boy's arm. Then apply a cloth wet in hot water for 

 a few minutes and show how the softened epithelium can be rubbed 

 off. Explain that it is not dirt, but the protection of the arm. 



REVIEW TOPICS 



1. Describe the skin, its derma, epidermis, subcutaneous 



tissue, and coloring matter. 



2. Describe the modifications of epidermis in a callous 



spot and a corn. 



3. Describe freckles ; a blister ; an ulcer. 



4. Describe the papillae. 



5. Describe a hair, sebaceous glands, and blackheads. 



6. Describe the nails. 



7. Give the causes and treatment of a bad complexion, 



and the effects of paints and powders and drugs. 



8. Give simple directions for the care of the hair. 



9. Give simple directions for the care of the nails. 



10. Give a general rule when to bathe for cleanliness. 



11. State the effects of a hot bath, and when to take it. 



12. State the effects of a cold bath, and give a simple and 



easy way of taking one. 



13. Describe a Turkish bath, and give reasons for not soak- 



ing and rubbing the skin to an excessive degree. 



14. Give an easy way of bathing a feverish person. 



