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plasmolysis
[ plaz-mol-uh-sis ]
noun
, Botany.
- contraction of the protoplasm in a living cell when water is removed by exosmosis.
plasmolysis
/ ˌplæzməˈlɪtɪk; plæzˈmɒlɪsɪs /
noun
- the shrinkage of protoplasm away from the cell walls that occurs as a result of excessive water loss, esp in plant cells See exosmosis
plasmolysis
/ plăz-mŏl′ĭ-sĭs /
, Plural plasmolyses plăz-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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Derived Forms
- ˌplasmoˈlytically, adverb
- plasmolytic, adjective
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Other Words From
- plas·mo·lyt·ic [plaz-m, uh, -, lit, -ik], adjective
- plasmo·lyti·cal·ly adverb
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Word History and Origins
Origin of plasmolysis1
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Example Sentences
Sap vacuoles must be distinguished from spores, on the one hand, and the vacuolated appearance due to plasmolysis, on the other.
From Project Gutenberg
It is invisible in the living cell but is evident in plasmolysis.
From Project Gutenberg
A diminution of turgor may, on the other hand, be produced by withdrawal of water through plasmolysis.
From Project Gutenberg
Maceration, freezing and plasmolysis alike yield poor results.
From Project Gutenberg
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