Nail bed
Nail bed
The nail bed (pronounced: /neɪl bɛd/) is the skin beneath the nail plate. It is also known as the sterile matrix, and it extends from the lunula to the hyponychium.
Etymology
The term "nail bed" originates from the Old English nǣġl (nail) and bedd (bed), referring to the area where the nail rests.
Anatomy
The nail bed contains blood vessels, nerves, and melanocytes, the cells that produce melanin. It is responsible for nourishing the nail plate, and its condition can affect the health and appearance of the nails.
The nail bed is bordered by the nail folds, which are the skin grooves that hold the nail plate in place. The proximal part of the nail bed is the nail matrix, where new nail cells are produced.
Related Terms
- Nail plate: The hard, translucent part of the nail that is visible above the skin.
- Lunula: The half-moon shaped white area at the base of the nail.
- Hyponychium: The skin located beneath the free edge of the nail plate.
- Nail folds: The skin grooves that hold the nail plate in place.
- Nail matrix: The part of the nail bed that produces new nail cells.
See Also
External links
- Medical encyclopedia article on Nail bed
- Wikipedia's article - Nail bed
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