Definition of Melanins. Meaning of Melanins. Synonyms of Melanins

Here you will find one or more explanations in English for the word Melanins. Also in the bottom left of the page several parts of wikipedia pages related to the word Melanins and, of course, Melanins synonyms and on the right images related to the word Melanins.

Definition of Melanins

Melanin
Melanin Mel"a*nin, n. [Gr. me`las, -anos, black.] (Physiol.) A black pigment found in the pigment-bearing cells of the skin (particularly in the skin of the negro), in the epithelial cells of the external layer of the retina (then called fuscin), in the outer layer of the choroid, and elsewhere. It is supposed to be derived from the decomposition of hemoglobin.

Meaning of Melanins from wikipedia

- of catechol melanin. Despite this many plants contain compounds which inhibit the production of melanins. It is now understood that melanins do not have...
- skin, is the darkening of an area of skin or nails caused by increased melanin. Hyperpigmentation can be caused by sun damage, inflammation, or other...
- Melanin theory is a set of pseudoscientific claims made by some proponents of Afrocentrism, which holds that black people, including ancient Egyptians...
- and adrenal gland.[citation needed] Melanins are produced in organelles called melanosomes. The production of melanins is called melanogenesis. Melanosomes...
- Vincensi MR, McCormick SA, Napolitano A (1998). "Characterization of melanins in human irides and cultured uveal melanocytes from eyes of different colors"...
- different types of melanins considering that they are an aggregate of smaller component molecules, such as nitrogen containing melanins. There are two classes...
- an anti-herbivore defense, reducing consumption by snails and isopods. Melanins are a family of dark-pigmented substances found in a wide range of organisms...
- or heat radiation would have a similar effect on living fungal cells. Melanins are a family of dark-colored, naturally occurring pigments with radiation-shielding...
- 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...
- however, both types of melanin are found in most species. In birds, albinism has been defined as "a total lack of both melanins in feathers, eyes and skin...