Xylem plant cells. Coloured scanning electron micrograph (SEM) of a bundle of tracheid cells from a softwood toothpick. Each tracheid has a thick lignified cell wall (green),which provides structural support to the stem. Tracheid cells transport water and mineral nutrients from the roots throughout the plant. Magnification: x1500 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 3988 px × 2820 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |