TEM of the lower epidermis of a leaf

Numéro d’image : 11523606
TEM of the lower epidermis of a leaf
Leaf epidermis. Transmission electron micrograph (TEM) of a section through the lower epidermis of a leaf. At lower right the thick waxy cuticle (grainy layer),which reduces water loss,can be seen covering the epidermal cells. The outer walls of these cells are thickened. Above the epidermal layer are the spongy mesophyll cells and the air spaces between them. The cells contain numerous chloroplasts (dark) with pale staining starch grains,the products of photosynthesis. The air spaces allow efficient circulation of carbon dioxide,which is needed for photosynthesis,and oxygen,which is required for respiration. Magnification: x6300 at 7.5x8 inch size
Licence : Droits gérés
Crédit: Science Photo Library / Schaller, Marilyn
Taille de l’image : 4297 px × 4169 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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