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单词 idiochromatin
释义

> as lemmas

idiochromatin
idiochromatin n.
Brit. /ˌɪdɪə(ʊ)ˈkrəʊmətɪn/
,
U.S. /ˌɪdiəˈkroʊmədən/
,
/ˌɪdioʊˈkroʊmədən/
[ < idio- comb. form + chromatin n., perhaps after German idiochromatisch (W. Lubosch 1902, in Ergebnisse Anat. u. Entwicklungsgeschichte 11 783)] Genetics (now disused) chromatin which forms the chromosomes and is concerned with the reproduction of the cell; contrasted with trophochromatin n. at tropho- comb. form 1.
ΚΠ
1909 Science 18 June 980/1 Whereas the nucleolus is more acidophilous to stains than the idiochromatin (chromosomes), it is more basiphilous than the general cytoplasm, and I see no objection to calling it trophochromatin.
1958 Biol. Bull. 115 269 In the uninuclear protists both types of chromatin were considered to be present in one nucleus, while in ciliates the idiochromatin was confined to the micronucleus and the trophochromatin was found in the macronucleus only.
extracted from idio-comb. form
<
as lemmas
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更新时间:2024/12/23 8:59:26