Scanning electron micrograph of the optic nerve, showing the pial sheath. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Ralph C. Eagle Jr. |
Taille de l’image : | 4255 px × 2794 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |