Bamboo stem. Coloured scanning electron micrograph (SEM) of a section through a xylem vessel (brown) in a bamboo (family Gramineae) stem. The xylem transports water and mineral nutrients from the roots throughout the plant. The walls of the xylem vessels are strengthened with lignin, a woody substance that helps to support the plant. Magnification: x125 when printed at 10 centimetres wide. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / EYE OF SCIENCE |
Taille de l’image : | 4000 px × 4000 px |
Model Release : | Non requis |
Property Release : | Non requis |
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