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