The development of the epidermal ridges.
D001485:Basement Membrane / Q000196:embryology; D003594:Cytoplasmic Granules; D003878:Dermatoglyphics; D003896:Desmosomes; D006003:Glycogen; D006801:Humans; D008854:Microscopy, Electron; D012867:Skin / Q000196:embryology*; D013314:Stress, Mechanical
D006003:Glycogen