Light micrograph of a seed grain of Stinging Nettle, Urtica dioica, taken from a wildflower. Dried nettle seeds are used in herbal medicine. Microscopic contrast technique : Incident lighting. Magnification 30x when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Guenther, Gerd |
Taille de l’image : | 5316 px × 3744 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |