Definition of homocysteine
: an amino acid C4H9NO2S that is produced in animal metabolism by the demethylation of methionine and that appears to be associated with an increased risk of cardiovascular disease when occurring at high levels in the blood
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Origin and Etymology of homocysteine
International Scientific Vocabulary hom- + cysteine
Medical Dictionary
Medical Definition of homocysteine
: an amino acid C4H9NO2S that is produced in animal metabolism by the demethylation of methionine and forms a complex with serine that breaks up to produce cysteine and homoserine and that appears to be associated with an increased risk of cardiovascular disease when occurring at high levels in the blood
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Britannica.com: Encyclopedia article about homocysteine
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