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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 ...
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 ...
Nail psoriasis can affect the fingernails and toenails. It may cause thickening of the nails with areas of pitting, ridges, irregular contour, and even raising of the nail from the nail bed. [16] Squamous-cell carcinoma is mainly cancer of the skin, but can also affect the nail bed. It is a rare malignant subungual tumor subject to misdiagnosis ...
A nail disease or onychosis is a disease or deformity of the nail.Although the nail is a structure produced by the skin and is a skin appendage, nail diseases have a distinct classification as they have their own signs and symptoms which may relate to other medical conditions.
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).
An ingrown nail, also known as onychocryptosis (from Greek: ὄνυξ (onyx) 'nail' and κρυπτός (kryptos) 'hidden') is a common form of nail disease.It is an often painful condition in which the nail grows so that it cuts into one or both sides of the paronychium or nail bed.
Onychomadesis is defined by the nail plate's detachment from the matrix, its continuous connection to the nail bed, and, frequently but not always, shedding. [4] Beau lines are transverse ridges on the nail plates. [5] Onychomadesis might be considered a more severe version of Beau lines. [6]
The constant destruction of the nail bed leads to onychodystrophy, paronychia [5] and darkening of the nail. [6] Some cases have been treated successfully with antipsychotics. [7] One cheap solution suggested by researchers is to cover the proximal nail fold with a Cyanoacrylate glue. "The mechanism of action for improvement is probably related ...