False-colour scanning electron micrograph (SEM) of the surface of human skin,showing 2 hairs penetrating the outer layer of squamous cells that comprise the epidermis. The hairs are covered by a modified cellular layer called the cuticle of the hair: these cells are highly flattened & partially overlap one another. The epidermal cells are composed of the protein keratin,which provides a tough uninterrupted covering over the body surface; keratin serves as a waterproofing material & is impermeable to many disease organisms Magnification: X 160 at 35mm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / CNRI |
Taille de l’image : | 3584 px × 4881 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |