Epidermis lower and upper
Thin layer of cells that protect the leaf. It is transparent to allow light to pass through.
Mesophyll cells - Palisade
Main site of photosynthesis x cells contain lots of chloroplasts.
Mesophyll cells -spongy
Photosynthesis also occurs here and the moist air spaces between the cells allow gases to dissolve before diffusing into cells.
Vein cells - xylem
Transports water and minerals.
Vein - phloem
Transports glucose.
Guard cells
Control the opening and closing stomatata
Stomata
Singular - stoma
Pores that allow carbon dioxide to enter and oxygen/water to leave the leaf.