Figure 1:
a) Longitudinal section of a digit showing the nail unit (modified from [50]).
b) Corresponding image taken in a female young adult.
1) proximal nail fold, 2) lateral nail fold, 3) plate, 4) lunula, 5) cuticle, 6) matrix, 7)bed, 8) onychodermal band, 9) distal edge of plate, 10) hyponychium