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  1. Hyaluronic acid (/ˌhaɪ.əljʊəˈrɒnɪk/;[1][2] abbreviated HA; conjugate base hyaluronate), also called hyaluronan, is an anionic, nonsulfated glycosaminoglycan distributed widely throughout connective, epithelial, and neural tissues. It is unique among glycosaminoglycans as it is non-sulfated, forms in the plasma membrane instead of the ...

  2. Botulinum toxin, or botulinum neurotoxin (commonly called botox), is a highly potent neurotoxic protein produced by the bacterium Clostridium botulinum and related species.[23] It prevents the release of the neurotransmitter acetylcholine from axon endings at the neuromuscular junction, thus causing flaccid paralysis.[24] The toxin causes the ...

  3. Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects : Commons. Free media repository. MediaWiki. Wiki software development. Meta-Wiki. Wikimedia project coordination. Wikibooks. Free textbooks and manuals.

  4. en.wikipedia.org › wiki › Eye_colorEye color - Wikipedia

    Eye color. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye 's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris. [3] : 9. In humans, the pigmentation of the iris varies from light brown to black, depending on the concentration of ...

  5. en.wikipedia.org › wiki › BoraxBorax - Wikipedia

    History Borax was first discovered in dry lake beds in Tibet.Native tincal from Tibet, Persia, and other parts of Asia was traded via the Silk Road to the Arabian Peninsula in the 8th century AD. Borax first came into common use in the late 19th century when Francis Marion Smith's Pacific Coast Borax Company began to market and popularize a large variety of applications under the 20 Mule Team ...

  6. Wikipedia:About. This is a general introduction for visitors to Wikipedia. For aspiring contributors, also see this guide and tutorial. For other uses, see Wikipedia:Wikipedia (disambiguation). "Imagine a world in which every single person on the planet is given free access to the sum of all human knowledge. That's what we're doing."

  7. en.wikipedia.org › wiki › Breaking_BadBreaking Bad - Wikipedia

    Better Call Saul. El Camino: A Breaking Bad Movie. Breaking Bad is an American crime drama television series created and produced by Vince Gilligan for AMC. Set and filmed in Albuquerque, New Mexico, the series follows Walter White ( Bryan Cranston ), an underpaid, dispirited high-school chemistry teacher struggling with a recent diagnosis of ...

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