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What is the difference between melanin and melatonin?

melanin | melatonin |

As nouns the difference between melanin and melatonin

is that melanin is any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers while melatonin is a hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals.

melanin

English

(wikipedia melanin)

Noun

(-)
  • Any of a group of naturally occurring dark pigments, especially the pigment found in skin, hair, fur, and feathers.

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    melatonin

    English

    (wikipedia melatonin)

    Noun

    (en-noun)
  • A hormone, related to serotonin, that is secreted by the pineal gland, and stimulates colour change in the skin of reptiles, and is involved in the sleep/wake and reproductive cycles in mammals
  • Any material similar in its chemistry and effect to the natural hormone.