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The canvas have microscopic opening called...........​

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Stomate

plant anatomy

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Alternative Titles: stoma, stomas, stomata

Dive into stomate transpiration of a Pegonia plant highlighting functions of guard cells and root hairs

Dive into stomate transpiration of a Pegonia plant highlighting functions of guard cells and root hairs

Microphotography and animation of stomate function

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Stomate, also called stoma, plural stomata or stomas, any of the microscopic openings or pores in the epidermis of leaves and young stems. Stomata are generally more numerous on the underside of leaves. They provide for the exchange of gases between the outside air and the branched system of interconnecting air canals within the leaf.