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The nail unit consist of nail matrix, nail folds, nail bed and hyponychium, and any of these parts has a specific composition and functions. Complete regrowth of a fingernail after avulsion can take 4 to 6 months, and up to 1 year for a toenail.
3 Οκτ 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.
Learn the structure and function of nails, the hardened keratin appendages of the integumentary system. Explore the nail unit, its layers, tissues, and clinical relevance with diagrams and examples.
The nail body is formed on the nail bed, and protects the tips of our fingers and toes as they are the farthest extremities and the parts of the body that experience the maximum mechanical stress. In addition, the nail body forms a back-support for picking up small objects with the fingers.
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]
29 Ιουλ 2024 · The nail is framed by the lateral nail folds on the left and right side of it. The skin bordering the lower end of the nail is called the proximal nail fold. A thin layer of skin, known as the cuticle, grows over the nail there.
29 Απρ 2017 · Anatomy and physiological characteristics of the nail are described stressing on the hardness of the nail plate, the penetration through its barrier with transungual drug delivery systems and the limitation of transmission of radiations.
