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Chapter 10 Vocab.
Nail disorders & diseases
Term | Definition |
---|---|
Beau’s lines | (Furrows or corrugations) visible depressions running across the width of the natural nail plate that is usually a result of major illness or injury that has traumatized the body |
Blue fingernails | Usually caused by a lack of circulating oxygen in the red blood cells that causes the nails to grow a cool-toned blue |
Bruised nail beds | Condition in which a blood clot forms under the nail plate, causing a dark purplish spot which is usually due to small injuries to the nail bed |
Eggshell nails | Noticeably thin, white nail plates that are more flexible than normal and can curve over the free edge |
Hangnail | Condition in which the living tissue surrounding the nail plate splits or tears |
Discolored nails | When nails turn a variety of colors that could indicate surface staining, systemic disorder, or poor blood circulation |
Kolionychia | Soft spoon nails with a concave shape that appears scooped out |
Leukonychia spots | (White spots) whitish discoloration of the nails, usually caused by injury to the matrix area but is not related to the body’s health or vitamin deficiency |
Melanonychia | Darkening of the fingernails or toenails that may be seen as a black band within the nail plate extending from the base to the free edge |
Nail psoriasis | 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 disorder | Condition caused by an injury or disease of the nail unit |
Nail pterygium | Abnormal condition that occurs when the skin is stretched by the nail plate that is usually a result of serious injury to burns or reaction to chemical nail enhancement products |
Onychauxis | Thickening of the nails |
Onychia | Inflammation of the nail matrix followed by shedding of the natural nail |
Onychocryptosis | (Ingrown nails) nail grows into the sides of the tissue around the nail |
Onychogryposis | (Ram’s horn or claw nails) enlargement of the fingernails or toenails accompanied by increased thickening and curvature |
Onycholysis | Lifting to he nail plate from the nail bed without shedding, usually beginning at the free edge and continuing toward the lunula area |
Onychomycosis | Fungal infection of the natural nail plate |
Onychomadesis | Separation and falling off of a nail plate from the nail bed |
Onychophagy | (Bitten nails) result of a habit of chewing the nail or chewing hte hardened skin surrounding the nail plate |
Onychorrhexis | Split or brittle nails that have a series of lengthwise ridges giving a rough appearance to the surface of the nail plate |
Onychosis | Any deformity or diseases of the natural nail |
Paronychia | Bacterial inflammation of the tissues surrounding the nail (usually accompanied by signs of infection: redness, pus, and swelling) |
Pincer nail | (Trumpet nail) increased crosswise curvature throughout the nail plate caused by an increased curvature of the matrix |
Plicatured nail | (Folded nail) type of highly curved nail usually caused by injury to the matrix but may be inherited |
Pseudomonas aeruginosa | Common bacteria that can lead to a bacterial infection that appears as a green, yellow, or black discoloration of the nail bed |
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 through the length of the natural nail plate that are caused by uneven growth of the nails, usually the result of normal aging |
Splinter hemorrhage | Hemorrhage caused by trauma or injury to the nail bed that damages the capillaries and allow small amounts of blood flow |
Tinea pedis | (Athlete’s foot) medical term for fungal infections of the feet |