> as lemmas

1941 Ann. Bot. 5 203 Large distal segments which appear as heterochromatin in mitosis, that is to say they are overstained in resting nuclei and, after freezing, understained in metaphase.

1956 Nature 10 Mar. 452/2 It usually appears as three dots arranged in a triangle, suggesting the presence of an under-stained (‘heterochromatic’) region close to the centromere.