Polarised light micrograph of calcium oxalate crystals (druses) in water milfoil (Myriophyllum sp.) stalk. 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. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Mis, Marek |
Bildgröße: | 4830 px × 7237 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |