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1The natural colouring of animal or plant tissue.
- ‘We think that two risk factors may be the amount of pigmentation naturally occurring in the eye, and dietary elements.’
- ‘Increased pigmentation in animals, such as these spots, may be genetic, acquired, or associated with pigmented tumors.’
- ‘Backcross rats were scored visually for sex, pigmentation, and hair morphology.’
- ‘Black sponges are unaffected by solar UV, due to photoprotective pigmentation.’
- ‘The colour itself is anthocyanin, basically the same pigmentation as people can see in the autumn.’
- ‘Pigment accumulated throughout the shaft of the silks and was not limited to the silk hairs as is typical of anthocyanin pigmentation.’
- ‘This results in a life long slate-grey pigmentation of the tissues.’
- ‘The second part introduces the central theme: the proximate control and signal function of carotenoid pigmentation.’
- ‘The resulting kernel pigmentation phenotype consists of colorless pericarp with red sectors.’
- ‘We did not see a hair phenotype, but a subtle hair pigmentation phenotype would be difficult to see.’
- ‘We are currently investigating the influence of circulating hormone levels on carotenoid transport and bill pigmentation in this species.’
- ‘The mutant also has severely reduced growth rates and a distinctive purple leaf colour as a result of increased anthocyanin pigmentation, particularly when grown in soil.’
- ‘The open circles indicate variation of pigmentation inside the phenotypic class.’
- ‘Progeny plants were scored for pigmentation phenotype and analyzed for genotype using SSR markers.’
- ‘In a number of bird studies, carotenoid pigmentation has been more or less conclusively shown to be a cue for female choice of males.’
- ‘However there are ways, other than chemical pigmentation, in which organisms can produce color.’
- ‘For instance, plants grew leaves with new shapes, had different pigmentation, or hairy roots.’
- ‘Arnold noted that, curiously, many species of parrots that live in rain forests have not evolved fluorescent pigmentation.’
- ‘The method does account for any potential pigmentation in the tissue, or for absorbance’
- ‘The plant and seed pigmentation components can be lost independently by mutation or unequal crossing over, leading to different derivatives.’
- 1.1 Abnormal colouring of a person's skin, typically resulting from disease.
complexion, colouring, skin colour, skin toneView synonyms
- ‘The transcutaneous jaundice meter is affected by factors such as gestational age, birth weight, and skin pigmentation.’
- ‘Increased skin pigmentation may occur with longstanding adrenal insufficiency.’
- ‘They include skin and mucosal pigmentation, postural hypotension, weight loss, and hyperkalaemia.’
- ‘Chronic thickening, dryness, and pigmentation of her skin had developed in areas exposed to the sun.’
- ‘The disease should be diagnosed before skin pigmentation, liver enlargement, diabetes, heart failure, or aching joints develop.’
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