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词汇 aerenchyma
释义

Definition of aerenchyma in English:

aerenchyma

noun ɛːˈrɛŋkɪməˌeˈreNGkəmə
mass nounBotany
  • A soft plant tissue containing air spaces, found especially in many aquatic plants.

    〔植〕通气组织

    Example sentencesExamples
    • Fusoid cells are characteristically found only in bamboos, and have been considered as aerenchyma tissues.
    • In waterlogged soils, plants strongly influence soil oxygen availability by transporting oxygen through aerenchyma to soils.
    • Oxygen transport from above-ground parts to roots of wetland plants is facilitated by aerenchyma.
    • Programmed cell death also takes place in the cortex of adventitious roots to form aerenchyma.
    • There are large intercellular spaces between the irregular cells, and the parenchyma looks like aerenchyma.

Derivatives

  • aerenchymatous

  • adjective
    Botany
    • In cross-section, they form a ring of tubes inserted at the periphery of aerenchymatous tissue.
      Example sentencesExamples
      • Multi-layered exodermis encircled the aerenchymatous cortex with air cavities.
      • Their roots are thus more open to aerenchymatous modification through secondary growth.
      • The petiole is a cylindrical shell composed of compact unlignified tissue with a honeycomb aerenchymatous core.
      • Aerenchyma and aerenchymatous adventitious roots are formed.

Origin

Late 19th century: from Greek aēr 'air' + enkhuma 'infusion'.

Definition of aerenchyma in US English:

aerenchyma

nounˌeˈreNGkəmə
Botany
  • A soft plant tissue containing air spaces, found especially in many aquatic plants.

    〔植〕通气组织

    Example sentencesExamples
    • Oxygen transport from above-ground parts to roots of wetland plants is facilitated by aerenchyma.
    • Programmed cell death also takes place in the cortex of adventitious roots to form aerenchyma.
    • In waterlogged soils, plants strongly influence soil oxygen availability by transporting oxygen through aerenchyma to soils.
    • There are large intercellular spaces between the irregular cells, and the parenchyma looks like aerenchyma.
    • Fusoid cells are characteristically found only in bamboos, and have been considered as aerenchyma tissues.

Origin

Late 19th century: from Greek aēr ‘air’ + enkhuma ‘infusion’.

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