<unk>  or Aldrich–Mees<unk> , also called leukonychia striata, are white<unk>  of discoloration across the nails of the fingers and toes (leukonychia).
Mees' lines
Kerley lines
Cramp-ring
Contour threads
Curschmann's spirals
Green ribbon
Tycoon's cap
Dennie–Morgan fold