Cells in a fractured turnip leaf
Numéro d’image : 11537146
| False-colour scanning electron micrograph of a fractured leaf of the turnip,Brassica rapa. The horizontal lines of cells near top & bottom form the leaf's epidermis. The epidermis,particularly the under- side,is dotted with stomata: pores that regulate the leaf's exchange of gases with the atmosphere. The leaf interior contains mesophyll cells,some seen broken open. They consist of palisade mesophyll (top) & spongy mesophyll (bottom). The packed palisade cells contain chloroplasts,sites of photosynthesis. The spongy mesophyll cells are loosely packed,with few chloroplasts; they are more involved with gas exchange. Magnification: x94 at 6x4.5cm size | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
| Taille de l’image : | 3136 px × 2561 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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