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VITAMIN K
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A fat-soluble vitamin that helps in the clotting of blood
Synonyms:
antihemorrhagic factor; naphthoquinone; vitamin K
Classified under:
Hypernyms ("vitamin K" is a kind of...):
fat-soluble vitamin (any vitamin that is soluble in fats)
Hyponyms (each of the following is a kind of "vitamin K"):
phylloquinone; phytonadione; vitamin K1; menadione; vitamin K3 (a form of vitamin K)
Context examples:
As a vitamin K antagonist, acenocoumarol inhibits vitamin K epoxide reductase, thereby inhibiting the reduction of vitamin K and the availability of vitamin KH2.
(Acenocoumarol, NCI Thesaurus)
A condition characterized as a coagulation disturbance in newborns due to vitamin K deficiency resulting in impaired production of coagulation factors II, VII, IX, and X, and proteins C and S by the liver.
(Hemorrhagic Disease of Newborn, NCI Thesaurus)
This species is indole negative, hydrolyzes starch, but not gelatin, requires vitamin K and hemin for growth, hemolytic on rabbit's blood agar, reduces neutral red and resazurin, produces hydrogen sulfide after 5 days, and does not utilize lactate, threonine or gluconate.
(Parabacteroides merdae, NCI Thesaurus)
