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Answer for the clue "Dark pigment ", 7 letters:
melanin

Alternative clues for the word melanin

Word definitions for melanin in dictionaries

Wiktionary Word definitions in Wiktionary
n. Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Melanin \Mel"a*nin\, n. [Gr. me`las, me`lanos, black.] (Physiol.) A black pigment found in the pigment-bearing cells of the skin (particularly in the skin of the negro), in the epithelial cells of the external layer of the retina (then called fuscin ), ...

Wikipedia Word definitions in Wikipedia
Melanin ( – melas , "black, dark") is a broad term for a group of natural pigments found in most organisms ( arachnids are one of the few groups in which it has not been detected). Melanin is produced by the oxidation of the amino acid tyrosine , followed ...

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ As a result, a shortage of melanin gives a cat a white coat and blue eyes-and destroys its hearing. ▪ The darker you are, the more melanin your skin will produce. ▪ The disease, however, may be triggered in moles containing unusually ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
dark brown or black pigment found in animal bodies, 1832, Modern Latin, with chemical suffix -in (2); first element from Greek melas (genitive melanos ) "black," from PIE root *mel- (2) "of darkish color" (cognates: Sanskrit malinah "dirty, stained, black," ...

Usage examples of melanin.

This will produce melanin, which is the brown-black pigment responsible for human skin color.

Accidentally useful mutations provide the working material for biological evolution-as, for example, a mutation for melanin in certain moths, which changes their color from white to black.

But when the Industrial Revolution began to cover the birch bark with soot, the situation was reversed, and only moths with the melanin mutation survived.

There are still occasional reverse mutations eliminating the melanin adaptation, which would be useful for the moths were English industrial pollution to be controlled.

Those were the result of cosmetic surgery and melanin chemoadjustment.

The melanin bloom will peak shortly, and as long as you wear the tinted lenses you will not look out of place.

There has been speculation about melanin levels but some scientists believe that a genetic marker .

If so, I wondered why human genes had not been manipulated as well, given that these people had insufficient protective melanin, varying as they did from pale to brown.

Calian picked up her scarf and knotted it carefully around her waist, leaving the trademark on her hip exposed: the image of an co-oak leaf in black melanin under her skin.

Since the invisible man was an albino and his body produced no melanin, his job was easier.

There was color and warmth in his face, and his natural melanin level saved him from being hospital-pale.

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There are still occasional reverse mutations eliminating the melanin adaptation, which would be useful for the moths were English industrial pollution to be controlled.

Le Jeu du Prochain Train was itself substantially simpler than 5 in Phelps and Phelps, The Cults of the Unwavering I: A Field Guide to Cults of Currency Speculation, Melanin, Fitness, Bioflavinoids, Spectation, Assassination, Stasis, Property, Agoraphobia, Repute, Celebrity, Acraphobia, Performance, Amway, Fame, Infamy, Deformity, Scopophobia, Syntax, Consumer Technology, Scopophilia, Presleyism, Hunterism, Inner Children, Eros, Xenophobia, Surgical Enhancement, Motivational Rhetoric, Chronic Pain, Solipsism, Survivalism, Preterition, Anti-Abortionism, Kevorkianism, Allergy, Albinism, Sport, Chiliasm, and Telentertainment in pre-O.

If a new-born child has a dominant gene that will cause the production of excessive melanin, a dark pigment, he will be black on the outside.