Definition of homocysteine in English:

homocysteine

Syllabification: ho·mo·cys·teine
Pronunciation: /ˌhōməˈsistēn
 
/

noun

Biochemistry
  • An amino acid that occurs in the body as an intermediate in the metabolism of methionine and cysteine.
    • Chemical formula: HSCH2CH2CH(NH2)COOH
    More example sentences
    • Metabolism of homocysteine requires an adequate supply of folic acid.
    • It also lowers the levels of amino acid homocysteine which, when found in high levels in the bloodstream, is linked to an increased risk of heart disease.
    • Levels of homocysteine, the amino acid linked to heart disease, are also higher in smokers.

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