The cuticle protects the skin at the top of the finger and the bone underneath.
What is cuticle ?
A cuticle is any of a variety of tough but flexible, non-mineral outer coverings of an organism, or parts of an organism, that provide protection. Various types of "cuticle" are non-homologous, differing in their origin, structure, function, and chemical composition.
Human anatomy
Anatomy of the basic parts of a human nail
In human anatomy, "cuticle" can refer to several structures, but it is used in general parlance, and even by medical professionals, to refer to the thickened layer of skin surrounding fingernails and toenails (the eponychium), and to refer to the superficial layer of overlapping cells covering the hair shaft (cuticula pili), consisting of dead cells, that locks the hair into its follicle.It can also be used as a synonym for the epidermis, the outer layer of skin.
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