1) Crease 2) Crinkle 3) Furrow 4) Line 5) Seam 6) Wrinkle 
Dermatoglyphic: Pertaining to dermatoglyphics -- the study of dermal ridges on the fingers, palms, toes, and soles.
[n] - the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet)
noun the lines that form patterns on the skin (especially on the fingertips and the palms of the hands and the soles of the feet)