Scanning electron micrograph of bordered pits lining the cell wall of a tracheid,a cell in the xylem,the supporting and water-conducting tissue of vascular plants. Pits allow movement of water from the tracheids to other tissues. Magnification=450x. Photo by Ken Eward | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / USDA |
Bildgröße: | 2611 px × 2365 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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