Library · Physiology
Function of the nail
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Nails protect the digits and contribute to touch sensation. The plate also has a free edge that can function as a tool.
That edge is useful because the plate remains firmly attached. The nail bed and folds act as anchor points, holding the plate while leaving its end free.
In brief
Nails protect the digits and contribute to touch sensation.
The free edge functions as a tool because the plate remains firmly attached.
The nail bed and folds anchor the plate so that it does not pull away, allowing its free edge to act as a tool.
Sources (1)
- National Center for Biotechnology InformationAnatomy, Shoulder and Upper Limb, Nails
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