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单词 plasmolysis
释义

Definition of plasmolysis in English:

plasmolysis

noun plazˈmɒlɪsɪsplazˈmäləsəs
mass nounBotany
  • Contraction of the protoplast of a plant cell as a result of loss of water from the cell.

    〔植〕胞质皱缩,质壁分离

    Example sentencesExamples
    • High temperatures can cause plasmolysis, change chloroplast coloration, or distort cell shape.
    • The presence of Casparian bands was confirmed by band plasmolysis even in basal parts of old roots, which would not occur with suberin lamella deposition.
    • By contrast with mannitol, ionic osmotica induced plasmolysis of all root cells, irrespective of their position within the maize root apex (data not shown).
    • By contrast to healthy control root hairs, incipient plasmolysis and loss of root hair cytosolic content was also observed.
    • The findings of this study revealed for the first time in angiosperm cells that plasmolysis triggers an extensive reorganization of the AF cytoskeleton, which is involved in the regulation of protoplast shape and volume.

Origin

Late 19th century: modern Latin, from plasmo- from late Latin plasma 'mould' + Greek lusis 'loosening' (because of the separation of the plasma membrane from the cell wall).

Definition of plasmolysis in US English:

plasmolysis

nounplazˈmäləsəs
Botany
  • Contraction of the protoplast of a plant cell as a result of loss of water from the cell.

    〔植〕胞质皱缩,质壁分离

    Example sentencesExamples
    • The findings of this study revealed for the first time in angiosperm cells that plasmolysis triggers an extensive reorganization of the AF cytoskeleton, which is involved in the regulation of protoplast shape and volume.
    • The presence of Casparian bands was confirmed by band plasmolysis even in basal parts of old roots, which would not occur with suberin lamella deposition.
    • By contrast to healthy control root hairs, incipient plasmolysis and loss of root hair cytosolic content was also observed.
    • By contrast with mannitol, ionic osmotica induced plasmolysis of all root cells, irrespective of their position within the maize root apex (data not shown).
    • High temperatures can cause plasmolysis, change chloroplast coloration, or distort cell shape.

Origin

Late 19th century: modern Latin, from plasmo- from late Latin plasma ‘mold’ + Greek lusis ‘loosening’ (because of the separation of the plasma membrane from the cell wall).

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更新时间:2024/12/27 5:33:13