Tooth enamel. Coloured scanning electron micrograph (SEM) of a section through tooth enamel. The enamel is the outer covering of the crown (visible part) of the tooth. It is the hardest substance in the human body. It is composed of rows of calcium and phosphorous salts embedded in a protein matrix. Magnification: x4200 when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / EYE OF SCIENCE |
Taille de l’image : | 4000 px × 4000 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|