| 释义 |
chromatin Biol.|ˈkrəʊmətɪn|
[G. (W. Flemming 1880, in Archiv f. mikrosk. Anat. XVIII. 158), f. Gr. χρώµατ-, χρῶµα colour + -in.]
A complex constituent of the cell nucleus which can be readily stained when immersed in colouring matter.
1882Gilburt in Jrnl. Quek. Cl. Ser. ii. No. 1. 32 It is proposed to call the denser element which eagerly takes the colour ‘Chromatin,’ and the one which refuses it ‘Achromatin.’ Ibid. 34 It is the achromatin, as suggested by Flemming, which acts upon and causes the chromatin. 1882Vines Sachs' Bot. i. App. 946 He is of opinion that the equatorial plate consists of chromatin and the rest of the spindle of achromatin. 1890,1892[see chromosome]. 1912[see chromatoid a.]. 1956Nature 25 Feb. 386/2 The cells of Bacillus megatherium have been stained..with various dyes to show the chromatin-threads. 1962Lancet 2 June 1154/2 Drumsticks and sessile nodules are present in the blood of chromatin-positive males showing Klinefelter's syndrome, and they are absent in chromatin-negative females with Turner's syndrome. |