Polarised light micrograph of druses in the stalk of a water milfoil (Myriophyllum sp.). Druse crystals are a common occurrence in many plants and are usually granular or star-like in shape. The crystals are a defence against herbivores. Magnification: x372 when printed 10 cm wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Mis, Marek |
Taille de l’image : | 7237 px × 4830 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |