menaquinone
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See also: ménaquinone
English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/2/29/Menachinon.svg/250px-Menachinon.svg.png)
Etymology
[edit]From me(thyl) + na(phtho)quinone.
Pronunciation
[edit]- (Received Pronunciation) IPA(key): /ˌmɛn.əˈkwɪn.əʊn/
- (General American) IPA(key): /ˌmɛn.əˈkwɪˌnoʊn/
Noun
[edit]menaquinone (plural menaquinones)
- (biochemistry, pharmacology) A pale yellow crystalline naphthoquinone C41H56O2 that is obtained especially from putrefied fish meal and produced by bacteria in the large intestine and essential for the blood-clotting process. It is much more unsaturated than vitamin K1 and slightly less active biologically, and is an isoprenoid derivative of menadione.
Synonyms
[edit]Hyponyms
[edit]Related terms
[edit]References
[edit]- “menaquinone”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “menaquinone”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.