menaquinone
See also: ménaquinone
English edit
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.