Term Name:	vitamin K
Synonyms:	Vitamin K, vitamin K vitamer, vitamin K vitamers, vitamine K, vitamins K
Definition:	Any member of a group of fat-soluble 2-methyl-1,4-napthoquinones that exhibit biological activity against vitamin K deficiency. Vitamin K is required for the synthesis of prothrombin and certain other blood coagulation factors.
Ontology:	ChEBI [CHEBI:28384]  ( EBI )