Thin section through a stinging nettle (Urtica dioica) root, light micrograph. The section shows the inner lignified cells in red and the outer unlignified area in green. On the right side a branching root is visible. The tissue was stained with Acridine-red, Acriflavine and Aniline-blue. Magnification: x40 when printed 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Guenther, Gerd |
Taille de l’image : | 8000 px × 7820 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |