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menaquinoneenUK
men·a·qui·none M5226450 (mĕn′ə-kwĭ-nōn′, -kwĭn′ōn′)n. See vitamin K2.
[me(thyl) + na(phthalene) + quinone.]menaquinone (ˌmɛnəkwɪˈnəʊn) n (Biochemistry) a form of vitamin K synthesized by bacteria in the intestine or in putrefying organic matter. Also: vitamin K2 [C20: from me(thyl)-na(phtho)quinone]EncyclopediaSeevitamin KmenaquinoneenUK
menaquinone [men″ah-kwin´ōn] any of a series of compounds having vitamin K activity, in which the phytyl side chain of phytonadione (vitamin K1) is replaced by a side chain of prenyl units.menaquinone (mĕn′ə-kwĭ-nōn′, -kwĭn′ōn′)n. See vitamin K2. |