Stinging nettle (Urtica dioica) leaf trichomes,coloured scanning electron micrograph (SEM). Trichomes (hair-like) are seen on the upper leaf surface,while a freeze-fracture has revealed the internal cellular structure (across bottom). Nettles have stinging trichomes (not seen) and non-stinging trichomes (these shorter ones). Magnification: x265 when printed at 10 centimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / PETER BOND, EM CENTRE, UNIVERSITY OF PLYMOUTH |
Taille de l’image : | 4857 px × 3631 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |