Leaf Section

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Cuticle

Solid Lubricate or Surface → a layer of wax to prevent water from evaporating.

Upper Epidermis

Protective cells on top of all the cells in a leaf, doesn’t do anything and no photosynthesis

Palisade Mesophyll

Main photosynthesis takes place here.

Spongy Mesophyll

Loose, so reactants can travel through and access the palisade mesophyll, but also does photosynthesis itself too, as it contains chloroplasts.

Lower Epidermis

Same as upper epidermis, just on the bottom of the leaves

Guard Cell

-Open and close the stoma to keep water from going out

-Stoma or hole in the leaf’s surface leads to space between cells

-Almost always open unless they need to save water

Carbon dioxide gas to move into the leaf for photosynthesis

Waste oxygen made by photosynthesis to move out of the leaf

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