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单词 plasmolysis
释义

plasmolysisn.

Brit. /plazˈmɒlᵻsɪs/, U.S. /plæzˈmɑləsəs/
Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: plasmo- comb. form, -lysis comb. form.
Etymology: < plasmo- comb. form + -lysis comb. form, after German Plasmolyse ( H. de Vries Untersuchungen über die mechanischen Ursachen der Zellstreckung (1877) I. 10).
Biology.
Contraction of the cytoplasm of a plant cell with separation of the plasma membrane from the cell wall, due to the osmotic withdrawal of liquid into a medium of high concentration.
ΘΚΠ
the world > life > biology > biological processes > lysis > [noun]
autodigestion1879
plasmolysis1883
cytolysis1896
phagolysis1898
autolysis1900
heterolysis1902
lysis1902
trypanolysis1905
chromatolysis1908
oncolysis1928
plasmolysability1950
induction1951
lysogenization1953
lysogenizing1961
1883 Q. Jrnl. Microsc. Sci. 23 151 (heading) On plasmolysis and its bearing upon the relations between cell wall and protoplasm.
1886 S. H. Vines Lect. Physiol. Plants iii. 39 Turgid cell..in 10 per cent. solution, shewing complete plasmolysis.
1937 S. F. Armstrong Brit. Grasses (ed. 3) xvi. 325 The broad or hairy leaves of Plantains, Daisies, etc. hold the salts to a much greater extent than the narrow or more erect grass leaves with the result that, especially in dry weather, they become seriously scorched through intense plasmolysis.
1964 J. Levitt in D. W. Newman Instrumental Methods Exper. Biol. xiii. 420 These very cells, with which the incipient plasmolysis method leads to difficulties, cannot have their osmotic potentials determined in any other way, and at least approximate values may be obtained plasmolytically.
1990 B. Swain Roses (BNC) 96 A method of lawn weed killing that literally sucks the sap out of leaves upon which it rests by reversing (plasmolysis) the principle (osmosis) by which plants absorb nutrient solutions from the soil.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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n.1883
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