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It is believed that there is a temporary cessation of cell division in the nail matrix. This may be caused by an infection or problem in the nail fold, where the nail begins to form, or it may be caused by an injury to that area. Some other reasons for these lines include trauma, coronary occlusion, hypocalcaemia, and skin disease.
It is a nail disease prevalent in individuals whose hands or feet are subject to moist local environments, and is often due to contact dermatitis. [13]: 660 In chronic paronychia, the cuticle separates from the nail plate, leaving the region between the proximal nail fold and the nail plate vulnerable to infection.
Use these dermatologist-approved strategies to identify the cause of your nail ridges (horizontal or vertical) and keep fingernails smooth. ... tumors and certain dermatological conditions can ...
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.
Onychomycosis, also known as tinea unguium, [4] is a fungal infection of the nail. [2] Symptoms may include white or yellow nail discoloration, thickening of the nail, and separation of the nail from the nail bed. [2] Fingernails may be affected, but it is more common for toenails. [3] Complications may include cellulitis of the lower leg. [3]
The nails may have ridges and increased side-to-side curvature, reduction of the white crescent and detachment of the nail from the nailbed. [5] These nail abnormalities may also change over time. [5] Most people with yellow nail syndrome (four fifths) have lymphedema; it is symmetrical and typically affects both legs.
A laceration of the nail bed causes bleeding into the constricted area underneath the hard nail plate. [1] The blood pools under the nail, giving a reddish, brownish, blueish, or grey/blackish discoloration. The blood puts pressure to the nailbed causing pain which can be throbbing in quality and disappears when the pressure on the nail bed is ...
At least since the time of Hippocrates, clubbing has been recognized as a sign of disease. [5] The phenomenon has been called "Hippocratic fingers". Self-portrait by Dick Ket showing nail clubbing. The Dutch painter Dick Ket had nail clubbing as is seen from his paintings. He had an underlying disease, probably dextrocardia. [17]