Light micrograph of sclereids from the tissue of a cactus,Preskia sp. Sclereids are thick-walled cells which give mechanical support to a plant's stem | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Walter, S. & J. |
Taille de l’image : | 3554 px × 4961 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |