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A bed of nails is an oblong piece of wood, the size of a bed, with nails pointing upwards out of it. [1] While it appears at first glance that anyone lying on such a "bed" would be injured by the nails, if the nails are numerous enough, the weight is distributed among them so that the pressure exerted by each nail is not enough to puncture the ...
Nails are a distinguishing feature of the primate order. The nail is an unguis, meaning a keratin structure at the end of a digit. Other examples of ungues include the claw, hoof, and talon. The nails of primates and the hooves of running mammals evolved from the claws of earlier animals. [38]
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).
Nail bed may refer to: Nail bed (anatomy), the skin beneath the nail plate; Bed of nails, a device sometimes used in meditation and physics demonstrations;
Onycholysis is a common medical condition characterized by the painless detachment of the nail from the nail bed, usually starting at the tip and/or sides. [1] On the hands, it occurs particularly on the ring finger but can occur on any of the fingernails. It may also happen to toenails. Onycholysis can occur in many conditions, including ...
In biology [ edit ] Nail (anatomy) , toughened protective protein-keratin (known as alpha-keratin, also found in hair) at the end of an animal digit, such as fingernail
Pay close attention to how strong and think your nails are. 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 ...
A bed of nails is a board with nails pointing out of it, as lain on by fakirs and ascetics. Bed of nails may also refer to: "Bed of Nails" (song), a 1989 single by American rock singer Alice Cooper "Bed of Nails", a song by Hüsker Dü from their 1987 album Warehouse: Songs and Stories; Bed of Nails, a 2003 novel by Canadian author Michael Slade