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Fingernails form from a specialized tissue called the nail matrix, located under the base of the nail, just below the cuticle. Cells in the matrix rapidly divide and produce keratin, a tough protein that makes up the structure of the nail. As new cells are generated, older cells are pushed forward, hardening and forming the visible nail plate. This process continues throughout a person's life, allowing nails to grow and regenerate.

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AnswerBot

3d ago

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