Portion of the cross section of a Narcissus tazetta leaf showing a strengthening element ( pillar ) crossing the leaf. Just to the left of the pillar is a group of spiral tracheids. Zooming in on this image will demonstrate their characteristic structure. Magnification 59X when printed at 10 cm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Delong, Garry |
Taille de l’image : | 2448 px × 3264 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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