noun[mass noun] Biochemistry
An amino acid which 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.
Definition of homocysteine in:
- The US English dictionary