5-Methyluracil; a constituent of thymidylic acid and DNA; elevated in hyperuracil thyminuria.

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thy·mine 'thī-.mēn n a pyrimidine base C5H6N2O2 that is one of the four bases coding genetic information in the polynucleotide chain of DNA compare ADENINE, CYTOSINE, GUANINE, URACIL

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one of the nitrogen-containing bases (see pyrimidine) occurring in the nucleic acids DNA and RNA.

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thy·mine (thiґmēn) a pyrimidine base, in animal cells usually occurring condensed with deoxyribose to form the nucleoside deoxythymidine, a component of deoxyribonucleic acid. The corresponding ribonucleoside, thymidine, is a rare constituent of ribonucleic acids. See also illustration of purine and pyrimidine bases, under base. Called also 5-methyluracil.

Medical dictionary. 2011.

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