Melanin (/ˈmɛlənɪn/ ; from Ancient Greek μέλας (mélas) 'black, dark') is a family of biomolecules organized as oligomers or polymers, which among other...
68 KB (7,185 words) - 07:42, 17 November 2024
Hyperpigmentation (redirect from Melanin hyperpigmentation)
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...
16 KB (1,624 words) - 00:52, 19 September 2024
Melanin theory is a set of pseudoscientific claims made by some proponents of Afrocentrism, which holds that black people, including ancient Egyptians...
6 KB (527 words) - 14:51, 6 September 2023
Melanocytes are melanin-producing neural crest-derived cells located in the bottom layer (the stratum basale) of the skin's epidermis, the middle layer...
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Radiotrophic fungus (section Role of melanin)
Plant. Most radiotrophic fungi use melanin in some capacity to survive. The process of using radiation and melanin for energy has been termed radiosynthesis...
12 KB (1,424 words) - 17:40, 13 November 2024
Khoudia Diop (redirect from Melanin Goddess)
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...
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Human skin color (section Melanin and genes)
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...
129 KB (14,406 words) - 15:19, 8 November 2024
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...
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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...
39 KB (3,868 words) - 23:55, 20 November 2024
Dopamine (redirect from Dopamine-melanin)
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...
139 KB (14,251 words) - 21:28, 21 November 2024
Heterochromia is determined by the production, delivery, and concentration of melanin (a pigment). It may be inherited, or caused by genetic mosaicism, chimerism...
26 KB (2,873 words) - 21:06, 1 October 2024
hair follicles and shafts due to two types of melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends...
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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...
66 KB (7,550 words) - 14:30, 8 November 2024
Hypopigmentation (redirect from Diminished melanin formation)
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...
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Whitney White (redirect from Melanin Haircare)
beautiful hair. In October 2018, White and her sister Taffeta White launched Melanin Haircare,[excessive citations] a hair care company selling natural products...
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enzyme for controlling the production of melanin. The enzyme is mainly involved in two distinct reactions of melanin synthesis otherwise known as the Raper–Mason...
32 KB (3,176 words) - 03:29, 18 November 2024
Melanocyte-stimulating hormone (redirect from Melanin-activating peptide)
MSH in response to ultraviolet light, where it increases synthesis of melanin.: 441 Some neurons in arcuate nucleus of the hypothalamus make and secrete...
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Melanism is the congenital excess of melanin in an organism resulting in dark pigment. Pseudomelanism, also called abundism, is another variant of pigmentation...
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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...
13 KB (1,455 words) - 12:02, 20 November 2024
Amelanism (section Melanins and melanin production)
pigmentation abnormality characterized by the lack of pigments called melanins, commonly associated with a genetic loss of tyrosinase function. Amelanism...
14 KB (1,537 words) - 21:02, 20 September 2023
Melanin-concentrating hormone (MCH), also known as pro-melanin stimulating hormone (PMCH), is a cyclic 19-amino acid orexigenic hypothalamic peptide originally...
11 KB (1,275 words) - 17:27, 3 December 2023
freckles, melasma, and other forms of hyperpigmentation where excess melanin is a concern, providing a more even skin complexion. For this purpose,...
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Phina (redirect from Phina (Melanin Queen))
Sarah Michael Kitinga (famously known as Phina, born in 1996) is a Tanzanian singer and songwriter. Her songs such as Rara, Superwoman, Manu, Sponsor,...
6 KB (563 words) - 19:38, 25 May 2024
an increased number of the melanin-producing cells, or melanocytes, but instead have melanocytes that overproduce melanin granules (melanosomes) changing...
11 KB (1,293 words) - 16:49, 30 October 2024
sclerotium or mass of mycelium, mostly black because of a substantial amount of melanin. Inonotus obliquus causes a white heart rot to develop in the host tree...
12 KB (1,152 words) - 00:46, 10 October 2024
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...
20 KB (2,344 words) - 16:13, 21 November 2024
Moderate exposure to direct sunlight contributes to the production of melanin and vitamin D by the body. Excessive exposure to ultraviolet rays has negative...
35 KB (3,629 words) - 18:33, 19 September 2024
characterized by localized patches of white hair due to a reduction or absence of melanin in hair follicles. Although traditionally associated with the scalp, poliosis...
11 KB (1,046 words) - 11:46, 2 November 2024
significant contributions to the total absorption spectrum of tissue are melanin and fat. Melanin is a chromophore that exists in the human epidermal layer of skin...
13 KB (1,736 words) - 15:04, 22 October 2024
Biological pigment (section Melanin)
structures, such as skin, eyes, feathers, fur and hair contain pigments such as melanin in specialized cells called chromatophores. In some species, pigments accrue...
32 KB (3,908 words) - 20:24, 18 April 2024