chromoneman.

/ˌkrəʊməˈniːmə/

Forms: Plural chromonemata /ˌkrəʊməˈniːmətə/.

Etymology: < German chromonema (F. Vejdovsky 1912, in Probl. d. Vererbungsträger ii. 130), < chromo- comb. form 2 + Greek νῆμα thread.

Biology.

The coiled threadlike core of a chromatid, believed by some to be the carrier of the genes.

ΘΚΠ

the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > chromatid > core of

chromonema1925

genoneme1934

1925 E. B. Wilson Cell (ed. 3) 1128 Chromonema, a fine basichromatic thread from which arises the spireme-thread.

1934 N. Koltzoff in Science 5 Oct. 313/1 The size of the chromosomes in the salivary glands is determined through the multiplication of genonemes. By this term I designate the axial thread of the chromosome, in which the geneticists locate the linear combination of genes; the cytologists call it generally the ‘axoneme’ or ‘chromonema’.

1954 Sci. News 34 71 Chromosomes consist of a number of tightly coiled threads—chromonemata—embedded in a matrix.

1957 Encycl. Brit. VI. 943/2 After the two daughter chromosome groups reach the poles each chromosome gradually takes on the appearance of a delicate, coiled thread... It is the chromonema..and represents the true, permanent part of the chromosome, including the hereditary materials.

1963 I. F. Henderson & W. D. Henderson Dict. Biol. Terms (ed. 8) 101/1 Chromonema, a coiled or convoluted thread in prophase of mitosis; central thread in chromosome.

This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2019).

单词	chromonema
释义	chromoneman. /ˌkrəʊməˈniːmə/ Forms: Plural chromonemata /ˌkrəʊməˈniːmətə/. Etymology: < German chromonema (F. Vejdovsky 1912, in Probl. d. Vererbungsträger ii. 130), < chromo- comb. form 2 + Greek νῆμα thread. Biology. The coiled threadlike core of a chromatid, believed by some to be the carrier of the genes. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromosome > chromatid > core of chromonema1925 genoneme1934 1925 E. B. Wilson Cell (ed. 3) 1128 Chromonema, a fine basichromatic thread from which arises the spireme-thread. 1934 N. Koltzoff in Science 5 Oct. 313/1 The size of the chromosomes in the salivary glands is determined through the multiplication of genonemes. By this term I designate the axial thread of the chromosome, in which the geneticists locate the linear combination of genes; the cytologists call it generally the ‘axoneme’ or ‘chromonema’. 1954 Sci. News 34 71 Chromosomes consist of a number of tightly coiled threads—chromonemata—embedded in a matrix. 1957 Encycl. Brit. VI. 943/2 After the two daughter chromosome groups reach the poles each chromosome gradually takes on the appearance of a delicate, coiled thread... It is the chromonema..and represents the true, permanent part of the chromosome, including the hereditary materials. 1963 I. F. Henderson & W. D. Henderson Dict. Biol. Terms (ed. 8) 101/1 Chromonema, a coiled or convoluted thread in prophase of mitosis; central thread in chromosome. This entry has not yet been fully updated (first published 1972; most recently modified version published online March 2019). < n.1925
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