koilonychia

[koi″lo-nik´e-ah] dystrophy of the nails in which they are abnormally thin and concave from side to side, with the edges turned up.

Koilonychia. From Dorland's, 2000.

koi·lo·nych·i·a

(koy'lō-nik'ē-ă), A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils. Synonym(s): spoon nail [G. koilos, hollow, + onyx (onych-), nail]

spoon nail

A rare acquired nail dystrophy seen in bronchiectasis in which the nail bed undergoes atrophy and the nail acquires a central concavity.

koi·lo·nych·i·a

(koy'lō-nik'ē-ă) A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils.
Synonym(s): spoon nail. [G. koilos, hollow, + onyx (onych-), nail]

koilonychia

Thin, brittle, concave fingernails. This may result from iron deficiency ANAEMIA or injury to the nail bed. Koilonychia also occurs in the itchy skin disease LICHEN PLANUS and in the rare inherited condition dystrophic epidermolysis bullosa. From the Greek koilos , concave or hollow and onyx , a finger or toenail.

单词	koilonychia
释义	koilonychia koilonychia [‚kȯil·ō′nik·ē·ə] (medicine) Spoon-shaped deformity of the fingernails, which may be familial or associated with a disease, such as iron-deficiency anemia. Also known as spoon nail. koilonychia koilonychia [koi″lo-nik´e-ah] dystrophy of the nails in which they are abnormally thin and concave from side to side, with the edges turned up.Koilonychia. From Dorland's, 2000. koi·lo·nych·i·a (koy'lō-nik'ē-ă), A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils. Synonym(s): spoon nail [G. koilos, hollow, + onyx (onych-), nail] spoon nail A rare acquired nail dystrophy seen in bronchiectasis in which the nail bed undergoes atrophy and the nail acquires a central concavity. koi·lo·nych·i·a (koy'lō-nik'ē-ă) A malformation of the nails in which the outer surface is concave; often associated with iron deficiency or softening by occupational contact with oils. Synonym(s): spoon nail. [G. koilos, hollow, + onyx (onych-), nail] koilonychia Thin, brittle, concave fingernails. This may result from iron deficiency ANAEMIA or injury to the nail bed. Koilonychia also occurs in the itchy skin disease LICHEN PLANUS and in the rare inherited condition dystrophic epidermolysis bullosa. From the Greek koilos , concave or hollow and onyx , a finger or toenail.
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