A stoma is a microscopic pore surrounded by guard cells in the epidermis of plants that allows gas exchange.
Un estoma es un poro microscópico en la epidermis de las plantas, rodeado por células oclusivas, que permite el intercambio de gases.
Front | stoma |
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Back | A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant. |
Tags: ch.10
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