Plasmolysis



[plaz-mol-uh-sis] /plæzˈmɒl ə sɪs/

noun, Botany.
1.
contraction of the protoplasm in a living cell when water is removed by exosmosis.
/plæzˈmɒlɪsɪs/
noun
1.
the shrinkage of protoplasm away from the cell walls that occurs as a result of excessive water loss, esp in plant cells See exosmosis
n.

1883, from French plasmolysis (1877), from plasmo- (see plasma) + Greek lysis “a loosening” (see -lysis). Related: Plasmolytic; plasmolyze.

plasmolysis plas·mol·y·sis (plāz-mŏl’ĭ-sĭs)
n. pl. plas·mol·y·ses (-sēz’)
Shrinkage or contraction of the protoplasm away from the wall of a living plant or bacterial cell, caused by loss of water through osmosis.
plas’mo·lyt’ic (plāz’mə-lĭt’ĭk) adj.
plasmolysis
(plāz-mŏl’ĭ-sĭs)
Plural plasmolyses (plāz-mŏl’ĭ-sēz’)
Shrinkage or contraction of the protoplasm away from the wall of a living plant or bacterial cell, caused by loss of water through osmosis. It results in loss of turgor and, in plants, wilting of the stems and leaves. If too severe, it can be fatal to the cell.

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  • Plasmon

    /ˈplæzmɒn/ noun 1. (genetics) the sum total of plasmagenes in a cell plasmon plas·mon (plāz’mŏn’) n. The aggregate of cytoplasmic or extranuclear genetic material in an organism.

  • Plasmorrhexis

    plasmorrhexis plas·mor·rhex·is (plāz’mə-rěk’sĭs) n. The splitting open of a cell from pressure of the protoplasm.



  • Plasmoschisis

    plasmoschisis plas·mos·chi·sis (plāz-mŏs’kĭ-sĭs) n. The splitting of protoplasm into fragments.

  • Plasmosome

    [plaz-muh-sohm] /ˈplæz məˌsoʊm/ noun, Cell Biology. 1. a true nucleolus, as distinguished from a karyosome. /ˈplæzməˌsəʊm/ noun 1. another name for nucleolus



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