Nails

Nails

Nails are hard, horny, and protective coverings that grow on the tips of fingers and toes in most primates, including humans. They are composed of a protein called keratin, which is also found in hair and skin. Nails are essential for human dexterity and are involved in a wide range of activities, such as grasping, manipulating, and scratching. They also play a role in protecting the fingertips from injury and providing sensory feedback. The human nail is a complex structure that consists of several layers. The visible part of the nail, known as the nail plate, is the hard, translucent, and slightly curved portion that extends beyond the fingertip. The nail plate is attached to the nail bed, which is the pinkish tissue underneath the nail. The nail bed contains blood vessels and nerves that supply nutrients and sensation to the nail. The nail matrix, located at the base of the nail, is responsible for producing new nail cells that push the old cells forward, causing the nail to grow. Nails can be affected by various conditions, such as infections, injuries, and diseases. Some common nail disorders include fungal nail infections, ingrown nails, and nail psoriasis. Proper nail care, such as keeping the nails clean and trimmed, can help prevent nail problems. In some cultures, nails are also used for decorative purposes, such as painting or attaching artificial nails.

keratin, nail plate, nail bed, nail matrix, nail disorders

— Jeffrey Johnson

CITATION : "Jeffrey Johnson. 'Nails.' Design+Encyclopedia. https://design-encyclopedia.com/define/nails?E=340448 (Accessed on October 14, 2026)"