pigmentation

For decades, traits that have been associated with racial categories, such as skin pigmentation and hair texture, have gone understudied or ignored among anthropologists, Lasisi says.

The sickliest moon-grown plants were tiny and had purplish pigmentation — a red flag for plant stress.

In both cases, ornithologists speculated that there could be faulty wiring in the genes that control the birds’ pigmentation.

It is most active during the hot weather, the inflammation subsiding in the winter, leaving a pigmentation of the skin.

It is worry in combination with the physical disturbance that produces the pigmentation.

Blueskins were people who inherited a splotchy skin-pigmentation from other people who'd survived a plague.

From the continued irritation and scratching more or less pigmentation results.

New papules may appear from time to time, the older lesions disappearing and leaving persistent reddish or brownish pigmentation.