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Nail Disorders


Beaus' Lines visible depressions running across the width of the natural nail plate; usually a result of major illness or injury that has traumatized the body
Bruised nails condition in which a blood clot forms under the nail plate, causing a dark purplish spot. these discolorations are usually due to small injuries to the nail bed
discolored nails Nails turn a variety of colors; may indicate surface staining, a systemic disorder, or poor blood circulation.
eggshell nails Noticeably thin, white nail plate that is more flexible than normal.
hangnail Also known as agnail; a condition in which the living tissue surrounding the nail plate splits or tears.
leukonychia spots Also known as white spots; whitish discolorations of the nails, usually caused by injury to the matrix area; not related to the body's health or vitamin deficiencies.
melanonychia Darkening of the fingernails or toenails; may be seen as a black band under or within the nail plate, extending from the base to the free edge.
nail disorder Condition caused by an injury or disease of the nail unit.
nail psoriasis A noninfectious condition that affects the surface of the natural nail plate causing tiny pits or severe roughness on the surface of the nail plate.
nail pterygium Abnormal conditions that occurs when the skin is streched by the nail plate; usually caused by serious injury or allergic reaction.
onychia inflammation of the matrix of the nail with formation of pus and shedding of the nail
onychocryptosis ingrown nails, nail grows into the sides of the tissue around the nail
onycholysis the loosening of the nail without shedding, usually beginning at the free edge and continuing to the lunula
onychomadesis the separation and falling off of a nail from the nail bed; can occur on fingernails and toenails
onychomycosis fungal infection of a nail
onychophagy Also known as bitten nails; result of a habit of chewing the nail or chewing the hardened skin surrounding the nail plate.
onychorrhexis split or brittle nails that also have a series of lengthwise ridges giving a rough appearance to the surface of the nail plate
onychosis Any deformity disease of the natural nails.
paronychia bacterial inflammation of the tissues surrounding the nail; pus is usually present also a gradual thickening and brownish discoloration of the nail plate
pincer nail Also known as trumpet nail; increased crosswise curvature throughout the nail plate caused by an increased curvature of the matrix. The edges of the nail plate may curl around to form the shape of a trumpet or sharp cone at the free edge.
plicatured nail A type of highly curved nail plate often caused by injury to the matrix, but may be inherited; also called "folded nail".
Pseudomonas Aeruginosa one of several common bacteria that can cause nail infection
pyogenic granuloma severe inflammation of the nail in which a lump of red tissue grows up from the nail bed to the nail plate
ridges Vertical lines running the length of the natural nail plate, usually related to normal aging.
splinter hemorrhages caused by physical trauma or injury to the nail bed that damages the capillaries and allows small amounts of blood to flow
tinea pedis a fungal infection that commonly develops between the toes and on the feet
Created by: samkohlenberg
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