aerenchyma

aerenchyma
noun Etymology: New Latin Date: circa 1893 modified parenchymatous tissue having large intracellular air spaces that is found especially in aquatic plants where it facilitates gaseous exchange and maintains buoyancy

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Aerenchyma — is an airy tissue found in roots of plants, which allows exchange of gases between the shoot and the root. It contains large air filled cavities, which provide a low resistance internal pathway for the exchange of gases such as oxygen and… …   Wikipedia

  • Aerenchyma — Aerenchym A [ e]r*en chym, ||Aerenchyma A [ e]r*en chy*ma, n. [NL. a[ e]renchyma. See {A[ e]ro }; {Enchyma}.] (Bot.) A secondary respiratory tissue or modified periderm, found in many aquatic plants and distinguished by the large intercellular… …   The Collaborative International Dictionary of English

  • aerenchyma — Form of parenchyma with large air spaces that gives buoyancy to aquatic plants …   Dictionary of molecular biology

  • aerenchyma — /air reng keuh meuh, airen /, n. Bot. a tissue in certain aquatic plants, consisting of thin walled cells and large intercellular spaces adapted for internal circulation of air. [1895 1900; < NL; see AER , PARENCHYMA] * * * …   Universalium

  • aerenchyma — noun A spongy, airy tissue founds especially in the roots of aquatic plants …   Wiktionary

  • aerenchyma — [ɛ: rɛŋkɪmə] noun Botany a soft plant tissue containing air spaces, found especially in many aquatic plants. Origin C19: from Gk aēr air + enkhuma infusion …   English new terms dictionary

  • aerenchyma — aer·en·chy·ma …   English syllables

  • aerenchyma — n. Bot. a soft plant tissue containing air spaces found esp. in many aquatic plants. Etymology: Gk aer air + egkhuma infusion …   Useful english dictionary

  • angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

  • Aerenchym — A [ e]r*en chym, ||Aerenchyma A [ e]r*en chy*ma, n. [NL. a[ e]renchyma. See {A[ e]ro }; {Enchyma}.] (Bot.) A secondary respiratory tissue or modified periderm, found in many aquatic plants and distinguished by the large intercellular spaces.… …   The Collaborative International Dictionary of English

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