Dog hair,coloured scanning electron micrograph (SEM). The outside of the hair,the cuticle,is covered in overlapping scales of dead cells containing the protein keratin. Found exclusively in mammals,hair is one of the defining characteristic of the mammalian class. Magnification: x100 when printed 10 centimetres wide | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |