Nail anatomy
Channel: the aleatoric learning channel
Date: 2021-12-20

The nail consists of the nail plate, the nail matrix and the nail bed below it, and the grooves surrounding it. The nail sinus is where the nail root is; i.e. the base of the nail underneath the skin. The lateral margin lies beneath the nail wall on the sides of the nail, and the nail groove or fold are the cutaneous slits into which the lateral margins are embedded. The growing part of the nail is under the skin at the nail's proximal end under the epidermis, which is the only living part of a nail. The longest female nails known ever to have existed measured a total of 8.65 m. Contrary to popular belief, nails do not continue to grow after death; the skin dehydrates and tightens, making the nails appear to grow. Protein is a building material for new nails; therefore, low dietary protein intake may cause anemia and the resultant reduced hemoglobin in the blood filling the capillaries of the nail bed reflects varying amounts of light incident on the nail matrix resulting in lighter shades of pink ultimately resulting in white nail beds when the hemoglobin is very low. As oxygen is needed for healthy nails, an iron deficiency or anemia can lead to vertical ridges in your nails or your nails may concave or "Spoon". The place where a nail technician works may be a nail salon or nail shop or nail bar. Painting the nails with colored nail polish to improve the appearance is a common practice dating back to at least 3000 B.C. With the rise of smartphones, some analysts have noted a trend of the nelfie, wherein people share their nail art online. Gel nails can be utilized in order to create artificial nail extensions, but can also be used like nail polish. Nail wraps are formed by cutting pieces of fiberglass, linen, silk fabric, or another material to fit on the surface of the nail, to be sealed onto the nail plate with a layer of resin or glue. List of cutaneous conditions Nail disease Nail fetish Onychogryphosis, overgrown, claw-like nails.