Lime tree stem. Light micrograph of a section through a lime tree (Tilia sp.) stem. Three growth rings are seen here (purple areas),with an outer layer of cork (far right). Magnification: x80 when printed at 10 centimetres wide | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |