chromatinn.

1882 Gilburt in Jrnl. Quek. Cl. 2nd Ser. No. 1. 32 It is proposed to call the denser element which eagerly takes the colour ‘Chromatin,’ and the one which refuses it ‘Achromatin.’

1882 Gilburt in Jrnl. Quek. Cl. 2nd Ser. No. 1. 34 It is the achromatin, as suggested by Flemming, which acts upon and causes the chromatin.

1882 S. H. Vines tr. J. von Sachs Text-bk. Bot. (ed. 2) i. App. 946 He is of opinion that the equatorial plate consists of chromatin and the rest of the spindle of achromatin.

1890 W. Turner Cell Theory 29 The primary chromatin fibres, or chromosome as Waldeyer calls them, form a complex coil.

1892 E. L. Mark tr. O. Hertwig Text-bk. Embryol. 52 The chromatin..has assumed the form of small individual granules or chromosomes, which correspond in number with the spindle-fibres.

1912 E. A. Minchin Introd. Study Protozoa 289 Many trypanosomes contain granules in their cytoplasm which stain similarly to chromatin, so-called ‘chromatoid grains’.

1956 Nature 25 Feb. 386/2 The cells of Bacillus megatherium have been stained..with various dyes to show the chromatin-threads.

1962 Lancet 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.