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3 Cards in this Set
- Front
- Back
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Follicle |
Contains several layers Sheaths protect and mold the growing hair shaft Inner sheath - ends at the opening of the sebaceous gland which secrete sebum Outer sheath - Erector pili muscle attaches to this and causes hair to stand up when it contracts |
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Papilla |
Bulb-like projection Capillaries nourish the papilla |
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Shaft - 3 keratin layers |
1. Medulla 2. Cortex 3. Cuticle Pigment cells in cortex and medulla give hair its color |
