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单词 chromomere
释义

chromomeren.

/ˈkrəʊməmɪə/
Etymology: < German (H. Fol a1892, in Lehrb. d. Vergl. Mikrosk. Anat. (1896) ii. ii. 259), < chromo- comb. form 2 + Greek μέρος part.
Biology.
A name for the chromatin-granules which make up a chromosome.
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [noun] > chromatin > granules or strands of
idant1892
chromomere1896
chromiole1899
chromidium1906
chromidiosome1912
1896 E. B. Wilson Cell vi. 221 The chromatin-thread consists of a series of granules (chromomeres) embedded in..the linin-substance.
1920 W. E. Agar Cytol. 134 [The chromosomes in prophase] are often markedly moniliform, i.e. consisting of a row of bead-like swellings of chromatin, called chromomeres, joined to each other by a thinner linin thread.
1957 M. Abercrombie et al. Dict. Biol. (ed. 3) 52 Chromomeres, darkly staining granules sometimes seen in a series along prophase chromosomes during meiosis.
1957 M. Abercrombie et al. Dict. Biol. (ed. 3) 52 Chromomeres in corresponding positions on homologous chromosomes pair during meiosis.
1965 A. R. Peacocke & R. B. Drysdale Molecular Basis Heredity vii. 78 The chromosome is linearly differentiated into lightly and more darkly staining regions. These more darkly staining segments, known as chromomeres, represent at least four types of structure.
1965 A. R. Peacocke & R. B. Drysdale Molecular Basis Heredity vii. 78 It is now widely agreed that chromomeres are tightly coiled regions of the chromosome and that in the intervening regions the chromosomal fibre is much less coiled.

Derivatives

chromomeric adj. /krəʊmə(ʊ)ˈmɛrɪk/
ΘΚΠ
the world > life > biology > biological processes > genetic activity > genetic components > [adjective] > granules or strands of chromatin
chromidial1906
chromomeric1952
1952 M. J. D. White in G. H. Bourne Cytol. & Cell Physiol. (ed. 2) v. 214 Chromosomes..are clearly split into two chromatids and show a chromomeric structure.
This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).
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n.1896
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更新时间:2024/11/11 1:22:00