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Leaf Biology Drawing

Leaf Biology Drawing

upper epidermis

xylem

phloem

lower epidermis

spongy mesophyll

vein


cuticle

guard cells

stoma

vertical palisade cell

chloroplasts

air channel

3D LEAF CROSS SECTION

cuticle

vacuole

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publish time: 2021-03-23
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A cross-section of a leaf shows that it is a complex organ built of several different kinds of specialized tissues. The 3D leaf cross-section diagram shows cuticle, epidermis, palisade mesophyll, vein, lower epidermis, stomata, and spongy mesophyll. A leaf is made of many layers that are sandwiched between two layers of tough skin cells called the epidermis, which also secretes a waxy substance called the cuticle. Among the epidermal cells are pairs of sausage-shaped guard cells. Gases enter and exit the leaf through the stomata. Most food production takes place in elongated cells called palisade mesophyll. Viens, on the other hand, support the leaf and are filled with vessels that transport food, water, and minerals to the plant.

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