Melanin (/ˈmɛlənɪn/ ; from Ancient Greek μέλας (mélas) 'black, dark') is a family of biomolecules organized as oligomers or polymers, which among other...

Melanin theory is a set of pseudoscientific claims made by some proponents of Afrocentrism, which holds that black people, including ancient Egyptians...

Hyperpigmentation is the darkening of an area of skin or nails caused by increased melanin. Hyperpigmentation can be caused by sun damage, inflammation, or other...

Melanocytes are melanin-producing neural crest-derived cells located in the bottom layer (the stratum basale) of the skin's epidermis, the middle layer...

Plant. Most radiotrophic fungi use melanin in some capacity to survive. The process of using radiation and melanin for energy has been termed radiosynthesis...

Khoudia Diop, also known as the Melanin Goddess, (born 31 December 1996) is a Senegalese fashion model and actress. Khoudia Diop was teased as a child...

substances, although the single most important substance is the pigment melanin. Melanin is produced within the skin in cells called melanocytes and it is the...

depending on the concentration of melanin in the iris pigment epithelium (located on the back of the iris), the melanin content within the iris stroma (located...

absence of melanin in particular, in the eyes, skin, hair, scales, feathers or cuticle. While an organism with complete absence of melanin is called an...

Examples of albino laboratory mammals Albinism is the congenital absence of melanin in an animal or plant resulting in white hair, feathers, scales and skin...

Melanin-concentrating hormone (MCH), also known as pro-melanin stimulating hormone (PMCH), is a cyclic 19-amino acid orexigenic hypothalamic peptide originally...

two types of melanin: eumelanin and pheomelanin. Generally, if more melanin is present, the color of the hair is darker; if less melanin is present, the...

Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment). It may be inherited, or caused by genetic mosaicism, chimerism...

is a type of melanin, known as dopamine-melanin, that can be synthesized by oxidation of dopamine via the enzyme tyrosinase. The melanin that darkens...

beautiful hair. In October 2018, White and her sister Taffeta White launched Melanin Haircare,[excessive citations] a hair care company selling natural products...

enzyme for controlling the production of melanin. The enzyme is mainly involved in two distinct reactions of melanin synthesis otherwise known as the Raper...

MSH in response to ultraviolet light, where it increases synthesis of melanin.: 441  Some neurons in arcuate nucleus of the hypothalamus make and secrete...

an increased number of the melanin-producing cells, or melanocytes, but instead have melanocytes that overproduce melanin granules (melanosomes) changing...

Moderate exposure to direct sunlight contributes to the production of melanin and vitamin D by the body. Excessive exposure to ultraviolet rays has negative...

contributes substantially to normal iris color is the dark pigment melanin. The quantity of melanin pigment in the iris is one factor in determining the phenotypic...

more melanin in it. Moderate amounts of melanin make hazel, dark blue and green eyes. In eyes that contain both particles and melanin, melanin absorbs...

pigmentation abnormality characterized by the lack of pigments called melanins, commonly associated with a genetic loss of tyrosinase function. Amelanism...

Melanism is the congenital excess of melanin in an organism resulting in dark pigment. Pseudomelanism, also called abundism, is another variant of pigmentation...

Sarah Michael Kitinga (famously known as Phina, born in 1996) is a Tanzanian singer and songwriter. Her songs such as Rara, Superwoman, Manu, Sponsor,...

caused by melanocyte or melanin depletion, or a decrease in the amino acid tyrosine, which is used by melanocytes to make melanin. Some common genetic causes...

freckles, melasma, and other forms of hyperpigmentation where excess melanin is a concern, providing a more even skin complexion. For this purpose,...

Poliosis (also called poliosis circumscripta) is the decrease or absence of melanin (or colour) in head hair, eyebrows, eyelashes, or any other hirsute area...

sclerotium or mass of mycelium, mostly black because of a great amount of melanin. Some people consider chaga medicinal. The name chaga comes from the Russian...

Two Melanin-concentrating hormone receptors (MCHR) have recently been characterized: MCH-R1 and MCH-R2. These two receptors share approximately 38% homology...

to their lack of a genetically caused melanin pigmentation. The brown to black colour is melanin. In skin, melanin prevents harmful UV-light from reaching...