Tobacco leaf,coloured scanning electron micrograph (SEM). This leaf has been freeze-fractured to show the internal structure. On each side of the leaf are trichomes,specialised structures that can be glandular in nature,defend against predators,or help reduce water loss. This is a sample of Virigina tobacco,a variety of tobacco from the plant Nicotiana tabacum | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Diller, Stefan |
Taille de l’image : | 3543 px × 4961 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |