Art of anatomy of dicotyledon leaf
Numéro d’image : 11537163
| Dicotyledon leaf. Illustration showing the anatomy and cell structure of a dicotyledon leaf. The lower surface of the leaf is seen at top. Stomata (brown,pores) are present on the lower epidermis through which gaseous exchange occurs. Under the one- cell thick epidermis,two layers of mesophyll cells are found. Spongy mesophyll (green) consists of loosely packed cells; a palisade layer (yellow) contains cells important in photosynthesis. At centre left,a leaf vein (vascular bundle) is surrounded by a bundle sheath (orange); within the sheath are xylem (pink) and phloem (white) cells which transport water and nutrients | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Leroy, Francis / Biocosmos |
| Taille de l’image : | 3631 px × 2480 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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