Elm wood. Coloured scanning electron micrograph (SEM) of a transverse section through wood from an elm tree (Ulmus procera). Xylem vessels (holes) are seen in the wood. The xylem transports water and mineral nutrients from the roots throughout the plant. Its thick lignin walls also provide structural support for the stem | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Power And Syred |
Taille de l’image : | 4600 px × 5622 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |