Transmission Electron Micrographs of Prunus avium leaf cells
(2) epidermis, parenchyma and xylem
Below, on the left : cells of epidermis with a thick cuticle (cu) and electron dense deposits in the cells corresponding to tannins. Under epidermis cell of parenchyma (par) with a large central vacuole and chloroplasts distributed around. On the right under epidermis (ep) cells of the palisade parenchyma with chloroplass (arrows) and the vacuole.
Below part of an ulltrathin section through a leaf at the level of xylem. On the right a vessel in longitudinal section at higher magnification with secondary lignified wall (arrows). Par : cell of parenchyma containing chloroplasts (chl).