Aerenchyma refers to spaces or air channels in the leaves, stems and roots of some plants, which allows exchange of gases between the shoot and the root. The channels of air-filled cavities (see image to right) provide a low-resistance internal pathway for the exchange of gases such as oxygen and ethylene between the plant above the water and the ...
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respiratory tissue
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• (n.) A secondary respiratory tissue or modified periderm, found in many aquatic plants and distinguished by the large intercellular spaces.
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http://thinkexist.com/dictionary/meaning/aerenchyma/
(from the article `cortex`) The cortex often develops into a type of tissue called aerenchyma, which contains air spaces produced by separation, tearing, or dissolution of the ... ...is simplified: the cuticle is thin or lost; the guard cells are raised and are found only on the upper surface in floating leaves (they are lost ... ......
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http://www.britannica.com/eb/a-z/a/23
A tissue of thin-walled cells with large, air-filled intercellular spaces, found in roots and stems of some aquatic and marsh plants.
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In plants, tissue incorporating large, gas-filled spaces interspersed with the cells in a characteristic pattern. ... (09 Oct 1997) ...
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Form of parenchyma with large air spaces that gives buoyancy to aquatic plants.
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aerenchyma A spongy tissue with large air spaces found between the cells of the stems and leaves of aquatic plants. Aerenchyma provides buoyancy and allows for the circulation of gases.
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http://www.wordinfo.info/words/index/info/view_unit/2778/
a tissue in certain aquatic plants, consisting of thin-walled cells and large intercellular spaces adapted for internal circulation of air.
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https://www.infoplease.com/dictionary/aerenchyma
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