spoon nail


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nail

 [nāl]
1. a rod of metal, bone, or other material used for fixation of the ends of fractured bones.
2. a hardened or horny cutaneous plate overlying the dorsal surface of the distal end of a finger or toe. The nails are part of the outer layer of the skin and are composed of hard tissue formed of keratin. Called also unguis.
Parts of the nail. From Dorland's, 2000.
Nail abnormalities. From Lammon et al., 1996.
ingrown nail see ingrown nail.
spoon nail a nail with a concave surface.

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

Etymology: AS, spon + naegel
a nail of the finger or toe that has a thin and concave outer surface.
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Spoon nails

spoon nail

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

spoon nail

Koilonychia A rare acquired nail dystrophy seen in bronchiectasia in which the nail bed is atrophic and the nail has a 'hollowed' appearance or central concave. See Clubbing.

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]