Xylem plant cells. Coloured scanning electron micrograph (SEM) of xylem cells from a sage stem (Salvia officinalis). The xylem transports water and mineral nutrients from the roots throughout the plant. The walls of the xylem vessels are strengthened with lignin (green),a woody substance that helps to support the plant | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 3600 px × 2648 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |