Cell, Skin and Specialized Tissue - Nail Structure & Hair Growth

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Nail structure

Nails are made of keratin, a hard, fibrous protein, which is also the main constituent of hair. They lie on a nail bed, an area rich in blood vessels that gives the nail its colour. Nails grow from a matrix of active cells beneath a fold of skin called the cuticle and from the lunula, a crescent-shaped area at the base of the…


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