title: An inherited nail dystrophy principally affecting the great toe nails.
mesh_terms: D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009264:Nails, Malformed / Q000235:genetics*; D010375:Pedigree; D014034:Toes