scabrities unguium

sca·brit·i·es un·gui·um

thickening and distortion of the nails.
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scabrities unguium

Morbid degeneration of the nails, making them rough, thick, distorted, and separated from the flesh at the root; symptomatic of syphilis and leprosy.
See also: scabrities
Medical Dictionary, © 2009 Farlex and Partners