A nail is a protective plate characteristically found at the tip of the digits (fingers and toes) of almost all primates (except for marmosets), 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.
Nails are structures at the tips of your fingers and toes that protect delicate tissues beneath them. Healthy fingernails and toenails have a smooth texture and are strong enough to withstand the wear and tear of daily tasks. Your nails are part of your body’s outer layer, which healthcare providers call your integumentary system.
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 cells. The nail grows from a deep groove in the dermis of the skin.
Conditions like psoriasis and fungal infections can affect the strength and shape of your nails. Your nails offer functional purposes like scratching, sensation, and improving fine motor...
Fingernails and toenails grow in the same manner since they share the same structure. However, fingernails grow faster than toenails. The growth of both can be influenced by age, injuries, and health issues. Illustration by Alex Dos Diaz for Verywell Health.
Parts of the Nail: Structure and How They Grow - Verywell Health
Subtle changes in the color or texture of your nails may be a sign of disease elsewhere in the body. WebMD shows you what secrets might be hiding at your fingertips.
Nails are protective plates at the tips of the fingers and toes. They are from a protein called keratin. Some anatomical structures of the nails include cuticles, mantles, nail beds, nail...