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CMCHairAndNails
Hair and nails.
| Question | Answer |
|---|---|
| Hair: Produced by | Hair follicle. |
| Hair: Consists of | Hard keratinized epithelial cells. |
| Hair: Three Main Parts | Hair bulb, hair root, hair shaft. |
| Hair Follicle | Houses the hair root. |
| Arrector Pili | Muscle that contracts to raise hair "goose bumps". |
| Nail Body | Made of translucent keratin. |
| Lunula | Crescent-shaped whitish area of the bed of a fingernail. |
| Cuticle | Between the skin of the finger and the nail plate - fuses them together and provides a waterproof barrier. |