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单词 microinjector
释义

microinjectorn.

Brit. /ˌmʌɪkrəʊɪnˈdʒɛktə/, U.S. /ˈˌmaɪkroʊᵻnˈdʒɛk(t)ər/
Origin: Formed within English, by compounding. Etymons: micro- comb. form, injector n.
Etymology: < micro- comb. form + injector n., after microinject v.
Biology.
Any of various devices, usually employing pressure or electrical charge, used to perform microinjection.
ΚΠ
1930 Science 8 Aug. p. xii/2 Professor de Barenne injected by means of a specially constructed microinjector a few drops of a weak solution of strychnine sulphate.
1970 P. Gray Encycl. Biol. Sci. (ed. 2) 554/1 Two microinjectors, mounted behind the micromanipulators are connected to the micropipette holders by polyethylene tubing.
1995 Proc. National Acad. Sci. U.S.A. 92 9697 A 1-μl Hamilton syringe mounted on the stereotaxic frame and held with a Kopf microinjector.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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n.1930
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更新时间:2024/12/23 8:22:29