Keywords
3d, acid, alpha, alpha-helix, amino, artwork, atoms, background, beta-sheet, black, bullosa, cartoon, coil, coiled, condition, disease, disorder, epidermis, epidermolysis, epithelium, fiber, fibre, fibrous, filament, hair, health, helical, helix, illustration, intermediate, keratin, keratine, keratinocyte, model, molecular, molecule, nail, peptide, polymer, polypeptide, protein, rendering, secondary, sheet, simplex, skin, structural, structure, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, u80704204