| 释义 |
euchromocentre Biol.|juːˈkrəʊməsɛntə(r)|
[a. F. euchromocentre (V. Grégoire 1931, in Académie Royale de Belgique: Bulletins de la Classe des Sciences 5th Ser. XVII. 1435), f. eu- + chromocentre.]
(See quot. 1968.)
1934L. W. Sharp Introd. Cytol. (ed. 3) iii. 57 In many nuclei there are at certain stages one or more conspicuous masses of karyotin at several points in the reticulum. Of the many terms applied to these the most suitable seems to be chromocenters... In some cases it has been shown that they represent definite chromosomal regions which remain condensed and highly chromatic... These euchromocenters appear to correspond in part to the ‘prochromosomes’. 1937Nature 22 May 889/2 During prophase, in addition to the euchromocentres, the nucleolus and nuclear sap also stain faintly with Feulgen. 1968R. Rieger Gloss. Genetics & Cytogenetics 152 Euchromocenter, in interphase nuclei, a chromocenter which consists of the heterochromatic segments..located on both sides of the centromere. |