Stomate | Definition, Function, Description, Structure, & Importance
网页2024年9月15日 · stomate, 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.
4.5.1.2.2: Stomatal Opening and Closure - Biology LibreTexts
网页Stomata must open to allow the gas exchange of carbon dioxide and oxygen for efficient photosynthesis (see Photorespiration), and light thus typically triggers stomatal opening. When stomata are open, however, water vapor is lost to the external environment, increasing the rate of transpiration.
What Is the Function of Plant Stomata? - ThoughtCo
网页2024年9月7日 · Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Stomata are typically found in plant leaves but can also be found in some stems. Specialized cells known as guard cells surround stomata and function to open and close stomatal pores.
Stomata: Definition, Types, Structure, & Function - Science Facts
网页2023年2月3日 · Stomata (singular stoma) are tiny openings or pores found in the epidermis of leaves and young stems that helps in gas exchange. Pair of specialized bean-shaped cells called guard cells are found to surround each stoma. Just like animals breathe, plants do so with the help of stomata.
Stoma - Wikipedia
网页In botany, a stoma (pl.: stomata, from Greek στόμα, "mouth"), also called a stomate (pl.: stomates), is a pore found in the epidermis of leaves, stems, and other organs, that controls the rate of gas exchange between the internal air spaces of the leaf and the atmosphere.
Stomata- Structure, Functions, Types & Mechanism of Stomata
网页Stomata are the tiny, kidney, or bean-shaped pores or openings present in the epidermis of the cell. The stomatal opening has specialized guard cells surrounding them.
Integrating stomatal physiology and morphology: evolution of stomatal …
网页2021年1月30日 · Stomata are tiny pores, ranging from 10 to 80 µm in length, that regulate leaf gas exchange by facilitating the diffusion of carbon dioxide (CO 2) from the atmosphere to the chloroplast for photosynthesis (PN) and …
The origin and evolution of stomata: Current Biology - Cell Press
网页2022年6月6日 · Introduction. Stomata are pores bordered by guard cells on the epidermal surfaces of almost all extant land plants (embryophytes). They are present in the vascular plants and two of the three lineages of bryophytes (mosses and hornworts; Box 1) 1.
From epidermal cells to functional pores: Understanding stomatal ...
网页2024年1月1日 · Stomata, small hydromechanical valves in the leaf epidermis, are fundamental in regulating gas exchange and water loss between plants and the environment.
Plant Vacuole, Stomata | Learn Science at Scitable - Nature
网页Key regulators of stomata are plant vacuoles, fluid-filled organelles bound by a single membrane called the tonoplast. Like animals, plants breathe. The gas exchange into and out of a plant leaf...
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