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单词 nucleoplast
释义

nucleoplastn.

Brit. /ˈnjuːklɪəplast/, U.S. /ˈn(j)uklioʊˌplæst/
Origin: Formed within English, by compounding. Etymons: nucleo- comb. form, -plast comb. form.
Etymology: < nucleo- comb. form + -plast comb. form.
Biology.
A nucleoplasmic body; (now usually) a cell nucleus isolated from the surrounding cytoplasm. rare before late 20th cent.
ΘΚΠ
the world > life > biology > substance > cell > cell organelle or contents > [noun] > nucleus > substances or structures of
nuclein1871
nucleoplast1876
nucleoplasm1882
plastin1883
nebenkern1885
nuclear sap1887
chromosome1889
karyotin1925
chromocentre1926
Barr body1961
1876 Q. Jrnl. Microsc. Sci. 16 154 The nucleoplast with the pseudo-nucleoli are thrown off.
1980 Proc. National Acad. Sci. U.S.A. 77 6639/1 In response to temperatures of 46° C, the cells segregated into nucleoplasts and cytoplasts.
1989 Proc. National Acad. Sci. U.S.A. 86 1203/1 Induction of E factor by IFN-α can occur in nuclei-free cytoplasts, whereas no E factor was detected in IFN-treated nucleoplasts.

Derivatives

nucleoplastic adj. Obsolete rare Apparently only attested in dictionaries or glossaries.
ΘΚΠ
the world > life > biology > substance > cell > cell organelle or contents > [adjective] > plastids
chromatophoric1881
plastid1890
nucleoplastic1892
1892 F. P. Foster Illustr. Encycl. Med. Dict. IV. 2425/1 Nucleoplastic, see Nucleoplasmic.
This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022).
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n.1876
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