7.1 Hair Theory

3. Second layer consisting of unique protein structures
6. The muscle that causes the hair to stand on end when a person is scared or cold is known as the _______ pili
8. Hair grows from a tube-like “pocket” called a root sheath or a(n):
9. Central core of hair shaft
10. What is the total lack of pigmentation in the hair and skin called?
15. Determine amount and type of melanin produced
16. process whereby cells change their shape, dry out and form keratin protein.
18. The hair follicle that produces tightly curled hair is typically:
19. The follicle in straight or wavy hair is typically:

1. Located at the bottom of the follicle and supplying nourishment to the germinal matrix is the:
2. The lips, soles of the feet, palms of the hands and eyelids do not have:
4. The resting stage of hair growth when the hair bulb has no attached root sheath is the ______ stage.
5. Form bundles called melanosomes
7. Which type of melanin produces black/brown hair color?
10. Which stage is known as the active growing stage of hair?
11. Which portion of the hair would display living cells underneath a microscope?
12. Which type of melanin produces red/orange hair color?
13. What helps prevent the hair and skin from becoming too dry?
14. The outer covering of the hair shaft made up of overlapping layers of transparent scales is called the:
17. The study of hair