Question

Write a short note on Melanin.
No spams and copied answers.​

Answer 1

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Melani is a domestic worker who leads a very hard life inspire of her hard labour. Her employer is not at all sympathetic to her. She shouts at her every now and then. ... But she, like her employer, also wishes to be respected.

Answer 2

What is melanin?

Melanin is a substance in the skin that produces skin pigmentation. Scientists have identified three formsTrusted Source of melanin in humans:

• eumelanin
• pheomelanin
• neuromelanin

Eumelanin and pheomelanin are in the epidermis, which is one of the layers of the skin. By contrast, neuromelanin is present in the brain.

Melanocytes are the cells that produce eumelanin and pheomelanin. Cells known as keratinocytes then carry melanin to the skin surface.

In people with dark skin, melanocytes produce more melanin than they do in people with light skin tones.

What is melanin’s function?

Melanin has a variety of biological functions, such asTrusted Source:

• pigmentation of the hair
• pigmentation of the skin
• protection of the eyes and skin from sunlight

Melanocytes produce melanin in the so-called basal layer, which is the innermost layer of the epidermis. Keratinocytes then carry melanin to the skin surface.

Differences in skin pigmentation between people are due to the ratio of eumelanin to pheomelanin, as well as the number of melanocytes.

Pheomelanin is responsible for the pinkish color of the lips, nipples, vagina, and penis glans.

Different hair colors result from different proportions of various forms of melanin.

For example,

_______________________________

Hair color. : Melanin type and amount

_______________________________

black. ➪ a large quantity of

eumelanin

brown. ➪ a moderate quantity of

eumelanin

blond ➪ a very little quantity of

eumelanin

red ➪ primarily pheomelanin, with

only a small quantity of

eumelanin