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单词 bioplast
释义

bioplastn.

Brit. /ˈbʌɪə(ʊ)ˌplast/, U.S. /ˈbaɪoʊˌplæst/
Origin: Formed within English, by compounding. Etymons: bio- comb. form, -plast comb. form.
Etymology: < bio- comb. form + -plast comb. form, after bioplasm n.
Biology. Now historical.
In the terminology of L. S. Beale: a unit of bioplasm as an independently existing entity capable of growth and reproduction; the living part of a cell. Cf. bioblast n.
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the world > life > biology > substance > cell > cell substance > [noun] > protoplasm or cytoplasm > unit of
bioplast1870
plastid1871
plastidule1872
cytoplast1885
plasome1891
idioblast1893
plasmosome1896
protoplast1898
biogen1899
1870 L. S. Beale Dis. Germs: Their Supposed Nature 12 A living white blood-corpuscle is mass of bioplasm, or it might be termed a bioplast. A very minute living particle is a bioplast, and we may speak of living matter as bioplasmic substance.
1884 Daily News 19 Sept. 7/3 Some maintaining that the germs were vegetable spores, whilst others assert that they were animal bioplasts.
1926 Amer. Naturalist 60 138 Some contend that all the actually living substance in cells is in the form of granules, bioplasts, plasmasomes and the like.
1998 N. Tomes Gospel of Germs 279 Lionel Beale..argued that disease germs were ‘bioplasts’—immature human cells that multiplied too quickly and displaced the healthy cells.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).
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n.1870
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