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vitamin K
vitamin Kn. A fat-soluble vitamin, found in leafy green vegetables and some animal products and produced by intestinal bacteria, that plays an essential role in blood clotting. It exists in two main forms, K1 and K2.
[Abbreviation and partial translation of German K(oagulations)vitamin, coagulation vitamin, clotting vitamin, from Koagulation, coagulation, from Latin coāgulātiō, coāgulātiōn-, from coāgulāre, to curdle, coagulate; see coagulate.]
vitamin K1n.1. A yellow viscous oil, C31H46O2, found in leafy green vegetables and used by the body in the synthesis of prothrombin. Also called phylloquinone.2. A synthetic analog of this vitamin, used in the treatment of some coagulation disorders and to prevent hemorrhagic disease in newborns. In veterinary medicine, it is used as an antidote to poisoning by anticoagulant rodenticides. Also called phytonadione.
vitamin K2n. Any of several fat-soluble compounds found in liver and other animal products and in some fermented foods and synthesized in the body by intestinal bacteria. Also called menaquinone.
vitamin K3n. See menadione.vitamin K n, pl K vitamins (Elements & Compounds) any of the fat-soluble vitamins, including phylloquinone and the menaquinones, which are essential for the normal clotting of bloodvitamin K1
n. a yellowish, oily, viscous liquid, C31H46O2, that occurs in leafy vegetables, rice, bran, and hog liver or is obtained esp. from alfalfa or putrefied sardine meat or synthesized and that promotes blood clotting by increasing the prothrombin content of the blood. Also called phylloquinone, phytonadione. [1930–35] vitamin K2
n. a light yellow, crystalline solid, C41H56O2, having properties similar to those of vitamin K1. [1935–40] vitamin K3
n. menadione. [1955–60] vitamin K Any of a group of vitamins important for normal clotting of the blood. Vitamin K is found in green leafy vegetables, pork, liver, and vegetable oils.Thesaurus| Noun | 1. | vitamin K - a fat-soluble vitamin that helps in the clotting of bloodantihemorrhagic factor, naphthoquinonefat-soluble vitamin - any vitamin that is soluble in fatsphylloquinone, phytonadione, vitamin K1 - a form of vitamin Kmenadione, vitamin K3 - a form of vitamin K |
vitamin K
vitamin K[′vīd·ə·mən ¦kā] (biochemistry) Any of three yellowish oils which are fat-soluble, nonsteroid, and nonsaponifiable; it is essential for formation of prothrombin. Also known as antihemorrhagic vitamin; prothrombin factor. vitamin K
vi·ta·min Kgeneric descriptor for compounds with the biologic activity of phylloquinone; fat-soluble, thermostable compounds found in alfalfa, pork, liver, fish meal, and vegetable oils, essential for the formation of normal amounts of prothrombin. Synonym(s): antihemorrhagic factor, antihemorrhagic vitaminvitamin Kn. A fat-soluble vitamin, occurring in leafy green vegetables, tomatoes, and egg yolks, that promotes blood clotting and prevents hemorrhaging. It exists in several related forms, such as K1 and K2.
vitamin K1n. A yellow viscous oil, C31H46O2, found in leafy green vegetables or made synthetically, used by the body in the synthesis of prothrombin and in veterinary medicine as an antidote to certain poisons. Also called phylloquinone.
vitamin K2n. A crystalline compound, C41H56O2, isolated from putrefied fish meal or from various intestinal bacteria, used to stop hemorrhaging and in veterinary medicine as an antidote to certain poisons. Also called menaquinone.vitamin K A general term for the structurally similar fat-soluble vitamins (K1, K2, K3) required for the hepatic synthesis of prothrombin; coagulant factors VII, IX and X; and 2-methyl-1,4 naphthoquinone and its derivatives, which have antihaemorrhagic activity.
Dietary sources
Cheese, green tea, leafy greens, liver, oats, egg yolks.vi·ta·min K (vī'tă-min) Generic descriptor for compounds with the biologic activity of phylloquinone; fat-soluble, thermostable compounds found in alfalfa, pork liver, fish meal, and vegetable oils, essential for the formation of normal amounts of prothrombin. vitamin K or phylloquinone a fat-soluble molecule found in spinach, cabbage, kale and pig's liver. The vitamin is essential in the synthesis of prothrombin used in BLOOD CLOTTING. A deficiency causes an increase in clotting time.vi·ta·min K (vī'tă-min) Generic descriptor for compounds with the biologic activity of phylloquinone; fat-soluble, thermostable compounds found in alfalfa, pork, liver, fish meal, and vegetable oils. vitamin K
Related to vitamin K: vitamin E, vitamin D, Vitamin K DeficiencySynonyms for vitamin Knoun a fat-soluble vitamin that helps in the clotting of bloodSynonyms- antihemorrhagic factor
- naphthoquinone
Related Words- fat-soluble vitamin
- phylloquinone
- phytonadione
- vitamin K1
- menadione
- vitamin K3
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