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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 ver
The lunula (pl.: lunulae; from Latin 'little moon') is the crescent-shaped whitish area of the bed of a fingernail or toenail.. In humans, it appears by week 14 [1] of gestation, and has a primary structural role in defining the free edge of the distal nail plate (the part of the nail that grows outward).
The Ming dynasty (1368-1644) was known for extremely long nails. [4] Sometimes, these nails were protected by gold- and jewel-encrusted nail guards. Servants performed personal chores for the royals so their nails did not break or become damaged. [5] Empress Dowager Cixi of China, who ruled from 1835 to 1908, was known for her long nails.
Like any body part, the toe nails can be a clue into our overall health. "Autoimmune conditions like psoriasis may cause white spots or pits in the nails," says Dr. Mendeszoon.
In human anatomy, the eponychium is the thickened layer of skin at the base of the fingernails and toenails. [1] It can also be called the medial or proximal nail fold. The eponychium differs from the cuticle; the eponychium comprises live skin cells whilst the cuticle is dead skin cells.
Periungual warts, which grow in the skin surrounding fingernails and toenails, are a reaction to HPV strains 1, 2, 4, 5, 7, 27 and 57, per WebMD.
Anatomy of the basic parts of a human nail. In human anatomy, "cuticle" can refer to several structures, but it is used in general parlance, and even by medical professionals, to refer to the thickened layer of skin surrounding fingernails and toenails (the eponychium), and to refer to the superficial layer of overlapping cells covering the hair shaft (cuticula pili), consisting of dead cells ...
Extremely thin nails may not be the best for acrylics. 4. It might be hard to spot, but infection below the nail bed can become all too real. This also goes back to overused, worn out nail tools. ...