melanism


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mel·a·nism

 (mĕl′ə-nĭz′əm)
n.
1. See melanosis.
2. Dark coloration of the skin, hair, fur, or feathers because of a high concentration of melanin.

mel′a·nis′tic adj.

melanism

(ˈmɛləˌnɪzəm)
n
1. (Zoology) the condition in man and animals of having dark-coloured or black skin, feathers, etc. Industrial melanism is the occurrence of dark varieties of animals, esp moths, in smoke-blackened industrial regions, in which they are well camouflaged
2. (Pathology) another name for melanosis
ˌmelaˈnistic adj

mel•a•nism

(ˈmɛl əˌnɪz əm)

n.
1. dark pigmentation, as of the skin, hair, or fur, due to a high concentration of melanin granules.
2. an unusually high concentration of melanin in the skin, plumage, or pelage of an animal.
[1835–45]
mel`a•nis′tic, adj.

mel·a·nism

(mĕl′ə-nĭz′əm)
Dark coloration of the skin, hair, fur or feathers because of a high concentration of melanin.

melanism

a darkening caused by an unusually high amount of pigmentation in the skin, hair, and eyes.
See also: Blackening and Blackness
a darkening of the skin caused by an unusually high amount of pigmentation.
See also: Skin
darkness or blackness of eyes, hair, or complexion.
See also: Complexion
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.melanism - a condition characterized by abnormal deposits of melanin (especially in the skin)
disease of the skin, skin disease, skin disorder - a disease affecting the skin
Translations

melanism

[ˈmelənɪzəm] Nmelanismo m
References in classic literature ?
Looking to the cases which I have collected of cross-bred animals closely resembling one parent, the resemblances seem chiefly confined to characters almost monstrous in their nature, and which have suddenly appeared--such as albinism, melanism, deficiency of tail or horns, or additional fingers and toes; and do not relate to characters which have been slowly acquired by selection.
Linkage between boldness and melanism in the eastern gray squirrel previously was explored in the context of simulated terrestrial predatory attack (Gustafson and VanDruff, 1990).
The finding adds turtle-headed sea snakes (Emydocephalus annulatus) to the diverse list of creatures that exhibit"industrial melanism," when darker animal varieties become dominant in polluted environments.
The incidence of albinism and melanism in British birds.
Forsman A (2011) Rethinking the thermal melanism hypothesis: Rearing temperature and coloration in pygmy grasshoppers.
Molecular and evolutionary history of melanism in North American gray wolves.
As Miss Melanism the Great would say: 'Don't judge my brother; he is not a book.
Key words: colour polymorphism, geographic variability, melanism, Russia, Siberia, subspecies, Ukraine
Linkage map of the peppered moth, Biston betularia (Lepidoptera, Geometridae): A model of industrial melanism.