英语词汇“trophochromatin”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

trophochromatin n.

Brit.

/ˌtrɒfə(ʊ)ˈkrəʊmətɪn/

/ˌtrəʊfə(ʊ)ˈkrəʊmətɪn/

U.S.

/ˌtrɑfoʊˈkroʊmədən/

/ˌtroʊfoʊˈkroʊmədən/

[after German Trophochromatin (1905 in the paper by R. Goldschmidt ( Zool. Jahrb.: Abt. für Anat. 21 112) reviewed in quot. 1905, or earlier); compare German trophochromatisch (W. Lubosch 1902, in Ergebnisse Anat. u. Entwicklungsgeschichte 11 783)] now historical chromatin believed to be involved only in the regulation of metabolism and growth of a cell, rather than with its reproduction; (also) chromatin associated with a macronucleus (cf. trophonucleus n.); cf. idiochromatin n. at idio- comb. form .

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromatin

chromatin1882

oxychromatin1894

basichromatin1902

trophochromatin1905

sex chromatin1909

heterochromatin1932

1905 Jrnl. Royal Microsc. Soc. 578 Two kinds of chromatin, idio-chromatin and tropho-chromatin, may be detected.

1947 Ann. Rev. Microbiol. 1 2 In amœboid forms special interest attaches to the structure and division of the nucleus. A distinction may be made between the ‘trophochromatin’ which stains intensely with iron haematoxylin, but takes no part in the formation of the chromosomes, and the ‘idiochromatin’ out of which the chromosomes are formed.

2009 R. Wayne Plant Cell Biol. ix. 134/1 The idiochromatin was considered to be the portion of the nucleus that contained the hereditary material, and was thus more vital than the trophochromatin.

单词	trophochromatin
释义	> as lemmas trophochromatin trophochromatin n. Brit. /ˌtrɒfə(ʊ)ˈkrəʊmətɪn/ , /ˌtrəʊfə(ʊ)ˈkrəʊmətɪn/ , U.S. /ˌtrɑfoʊˈkroʊmədən/ , /ˌtroʊfoʊˈkroʊmədən/ [after German Trophochromatin (1905 in the paper by R. Goldschmidt ( Zool. Jahrb.: Abt. für Anat. 21 112) reviewed in quot. 1905, or earlier); compare German trophochromatisch (W. Lubosch 1902, in Ergebnisse Anat. u. Entwicklungsgeschichte 11 783)] now historical chromatin believed to be involved only in the regulation of metabolism and growth of a cell, rather than with its reproduction; (also) chromatin associated with a macronucleus (cf. trophonucleus n.); cf. idiochromatin n. at idio- comb. form . ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromatin chromatin1882 oxychromatin1894 basichromatin1902 trophochromatin1905 sex chromatin1909 heterochromatin1932 1905 Jrnl. Royal Microsc. Soc. 578 Two kinds of chromatin, idio-chromatin and tropho-chromatin, may be detected. 1947 Ann. Rev. Microbiol. 1 2 In amœboid forms special interest attaches to the structure and division of the nucleus. A distinction may be made between the ‘trophochromatin’ which stains intensely with iron haematoxylin, but takes no part in the formation of the chromosomes, and the ‘idiochromatin’ out of which the chromosomes are formed. 2009 R. Wayne Plant Cell Biol. ix. 134/1 The idiochromatin was considered to be the portion of the nucleus that contained the hereditary material, and was thus more vital than the trophochromatin. extracted from tropho-comb. form < as lemmas
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