Yew Leaf Stomata (SEM)
Bildnummer 11645591
| Yew stomata. Coloured scanning electron micrograph (SEM) of stomata (pores) on the surface of the leaf of an English yew (Taxus baccata). Stomata are pores which regulate gas and water exchange between the leaf and the atmosphere. During the day they open (as seen here) to allow the exchange of gases during photosynthesis,closing at night to prevent water loss. They are opened and closed by two bordering guard cells. Yew is a long-lived poisonous tree which inhabits cool,hilly areas throughout Europe and northern Asia. Magnification x4260 (x1050 at 10cm wide) | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Power And Syred |
| Bildgröße: | 4827 px × 3620 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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