叶节 3D模型

Leaf Section epidermis vein palisade mesophyll spongy mesophyll moist air space stoma guard cells plant cell Blade Vane Leaf structure sells Leaf section Leaf microstructure Leaf Section ----------------------------------------- File Formats: -maya2011 -fbx -obj ----------------------------------------- Keywords: epidermis vein palisade mesophyll spongy mesophyll moist air space stoma guard cells plant cell Blade Vane Leaf structure sells Leaf . section Leaf microstructure Leaf Section leaves orange new growth isolated white green soil concept lemon fresh lime tree nature branch fruit cut Leaf transverse section. A leaf is an organ of a vascular plant and is the principal lateral appendage of the stem.The leaves and stem together form the . shoot.Foliage is a mass noun that refers to leaves collectively. Typically a leaf is a thin, dorsiventrally flattened organ, borne above ground and specialized for photosynthesis. Most leaves have . distinctive upper (adaxial) and lower (abaxial) surfaces that differ in colour, hairiness, the number of stomata and other features.