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3 paź 2024 · Nail, in the anatomy of humans and other primates, horny plate that grows on the back of each finger and toe at its outer end. It corresponds to the claw, hoof, or talon of other vertebrates. The nail is a platelike, keratinous, translucent structure that consists of highly specialized epithelial.
A nail is a protective plate characteristically found at the tip of the digits (fingers and toes) of all primates, corresponding to the claws in other tetrapod animals. Fingernails and toenails are made of a tough rigid protein called alpha-keratin, a polymer also found in the claws, hooves and horns of vertebrates. [1]
28 wrz 2024 · A nail is a hard, keratinized structure found at the tips of the fingers and toes in humans and many other animals. Composed primarily of the protein keratin, nails grow from the nail matrix, which is located beneath the cuticle.
22 lut 2024 · Learn about the three main parts of your nail anatomy: the nail plate, the nail bed, and the skin around the nail. Find out how nails protect your fingers and toes, and what conditions can affect their health and appearance.
22 kwi 2020 · The main function of toenails is likely for protection, compared to enhancing grip or the fine motor functions the fingernails have.
1 lut 2024 · Nail Functions. Nail Conditions. The parts of the nail, whether at your fingers or toes, follow a basic structure. This nail anatomy serves to protect against infections or injury, while adding functional ability (like scratching) and improving sensation and dexterity (self-defense and other skill with your hands).
Nails have a defensive function, help the prehensile activity of small objects, are implicated in deambulation, and have an important cosmetic function (Fig. 1.1).
