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10 Cards in this Set

  • Front
  • Back
Lanugo hair
fetus hair, lightly pigmented
vellus hair
fine hair, cover most of body in adults
Terminal hair
coarse, pigmented hairs, fully developed in scalp, beard, pubic, and axillary regions
Eumelanins
tyrosinase dependent, brown and black hairs
Pheomelanins
yellow and orange color, contain cystein - high sulfur content
Infundibulum
upper, funnel shaped invagination that extends from the follicular orifice above the entrance of the sebaceous duct below
Isthmus
short midsection
Inferior segment
from the erector pili muscle insertion to base of follicle.
Anagen
growing phase - 2-8 yrs.
Telogen
resting phase lasts 3 months