melanin


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mel·a·nin

 (mĕl′ə-nĭn)
n.
Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.

melanin

(ˈmɛlənɪn)
n
(Biology) any of a group of black or dark brown pigments present in the hair, skin, and eyes of man and animals: produced in excess in certain skin diseases and in melanomas

mel•a•nin

(ˈmɛl ə nɪn)

n.
any of a class of insoluble pigments that are found in all forms of animal life and account for the dark color of skin, hair, fur, scales, and feathers.
[1835–45; < Greek melan-, s. of mélās black + -in1]
mel′a•nin•like`, adj.

mel·a·nin

(mĕl′ə-nĭn)
A dark pigment found in the skin, hair, scales, feathers, and eyes of animals. It provides protection against the sun's rays by absorbing ultraviolet light.

melanin

A dark pigment occurring in skin and hair.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.melanin - insoluble pigments that account for the color of e.g. skin and scales and feathersmelanin - insoluble pigments that account for the color of e.g. skin and scales and feathers
feather, plumage, plume - the light horny waterproof structure forming the external covering of birds
cutis, skin, tegument - a natural protective body covering and site of the sense of touch; "your skin is the largest organ of your body"
animal pigment - pigment occurring in animals
Translations
melaniini

melanin

[ˈmelənɪn] Nmelanina f

melanin

[ˈmɛlənɪn] nmélanine f

mel·a·nin

n. melanina, pigmento oscuro de la piel, el pelo y partes del ojo.

melanin

n melanina
References in periodicals archive ?
When these wavelengths damage pigment cells, it causes them to produce brown pigment called melanin in an uncontrolled fashion.
A lack of nutrients for melanin production - vitamin C, copper and tyrosine - may also accelerate the process," says Iain.
Scientists say that this bird has a rare genetic condition known as melanism, which causes him to produce much more pigment melanin than his pink counterparts, resulting in his distinctive color.
Among scientists studying human evolution, it has been almost universally assumed that the need to make more vitamin D at Northern latitudes drove genetic mutations that reduce production of the pigment melanin, the main determinant of skin tone, according to Elias.
Results showed that at 20[micro]M of [delta]T3 significantly inhibited melanin formation and ROS generation.
While there could have been many benefits of having black skin in Africa, individuals with albinism and no protective benefit from melanin almost all die young from cancer," explained Greaves.
BEFORE GETTING to this month's subject, hair color, a bit of background on melanin, the natural hair colorant.
Leucistic individuals usually have functional tyrosinase, a key enzyme for melanin production in vertebrates (van Grouw 2006), and produce melanin.
Materials and Methods: Twenty-one patients with gingival melanin pigmentation were included in the study.
These darker patches or spots occur when there is an increase of melanin that forms in the skin.