Xylem plant cells. Coloured scanning electron micrograph (SEM) of a longitudinal section through a bundle of tracheid cells from a softwood toothpick. Tracheid cells transport water and mineral nutrients from the roots throughout the plant. The thick lignin cell walls also provide structural support for the stem. Magnification: x60 when printed at 10 centimetres wide | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Gschmeissner, Steve |
Bildgröße: | 4000 px × 3006 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |