Birch leaf. Coloured scanning electron micrograph (SEM) of a freeze-fracture of a leaf from a birch tree (Betula sp.). The fracture has passed through the leaf,revealing the internal cellular structure,including the palisade mesophyll and spongy mesophyll layers. Magnification: x380 when printed at 10 centimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PETER BOND, EM CENTRE, UNIVERSITY OF PLYMOUTH |
Taille de l’image : | 4578 px × 3839 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |