Leaf Cross-Section Layer Builder
Build a dorsiventral leaf cross-section layer by layer, then click any revealed layer for its structural role.
Add next layer
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Upper epidermis (cuticle)
Palisade mesophyll
Vein (vascular bundle)
Spongy mesophyll (air spaces)
Lower epidermis + stomata
Click "Add next layer" to build the cross-section from the upper epidermis down.