Nail keratin layers. Coloured scanning electron micrograph (SEM) of layers of keratin within a nail. Here,several nail layers have been peeled back to reveal a flattened interlocking structure for the keratin units. This structure helps explain why nails are hard and also why they are translucent. Keratin is a protein that is also found in skin and hair | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nishinaga, Susumu |
Taille de l’image : | 3858 px × 2894 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |