Toothbrush bristles. Coloured scanning electron micrograph (SEM) of bristles from a toothbrush | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 2605 px × 3370 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |