Melanin (/ ˈmɛlənɪn / ⓘ; from Ancient Greek μέλας (mélas) 'black, dark') is a family of biomolecules organized as oligomers or polymers, which among other functions provide the pigments of many organisms. [1] . Melanin pigments are produced in a specialized group of cells known as melanocytes.

Melanin is a substance in your body that produces hair, eye and skin pigmentation. The more melanin you produce, the darker your eyes, hair and skin will be. The amount of melanin in your body depends on a few different factors, including genetics and how much sun exposure your ancestral population had.

2023年10月10日 · Melanin gives color, or pigment, to your skin, eyes, and hair. It also helps keep your cells safe from sun damage by soaking up UV rays that can be dangerous at high levels. How does skin get...

2021年4月29日 · Melanin is a substance that melanocytes produce in the skin surface, which results in skin pigment. Each person will have a different amount of melanin in their skin.

2021年2月11日 · Not only does melanin provide pigmentation for human skin, hair, and eyes, it also provides protection against the harmful effects of ultraviolet (UV) rays. In this article, we’ll dive into what...

2023年5月1日 · Melanin is a term used to describe a large group of related molecules responsible for many biological functions, including pigmentation of skin and hair and photoprotection of skin and eye. [1] [2] [3] In humans, melanin exists as three forms: eumelanin (which is subdivided further into black and brown forms), pheomelanin, and neuromelanin.

Melanin is a dark biological pigment (biochrome) occurring in the skin, hair, feathers, scales, eyes, and some internal membranes of humans and other animals. It is formed as an end product during metabolism of the amino acid tyrosine.

2020年2月24日 · What is melanin? The word melanin is used to describe a unique class of pigments found throughout the biosphere with a wide variety of functions, structures, and presentations. The word derives from the Greek word ‘melanos,’ meaning black, although melanins have diverse colors ranging from black and brown to yellow and red.

2024年8月1日 · Melanin is produced by cells called melanocytes. Melanin helps determine the color and tone of skin, hair, and eyes. Melanin also helps protect against UV damage, and plays a role in vision, hearing, and immune system function.

2023年4月17日 · Melanin is a skin pigment. It occurs in both humans and animals, and is what makes hair, skin, and eyes appear darker. Research has found that melanin may help protect the skin from UV rays....