Spinach leaf. Coloured scanning electron micrograph (SEM) of a fractured leaf of the spinach plant,Spinacia oleracea. At top and bottom frame are a single layer of cells (light green) which form the epidermis of the leaf. The leaf interior contains palisade mesophyll (dark green) & spongy mesophyll (light green). The tightly packed palisade cells contain chloroplasts,sites of photosynthesis. The spongy mesophyll cells have with fewer chloroplasts; they are more involved with gas exchange. Magnification: x219 at 6x7cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 3500 px × 3807 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |