methylmalonic acid

methylmalonic acid
2-Methylpropanedioic acid, an important intermediate in fatty acid metabolism; seen in elevated levels in cases of vitamin B12 deficiency. Note that methylmalonate is not methyl malonate, which is the dimethyl ester of malonate. SYN: isosuccinic acid.

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meth·yl·ma·lon·ic acid .meth-əl-mə-.län-ik- n a structural isomer of succinic acid present in minute amounts in healthy human urine but excreted in large quantities in the urine of individuals with a vitamin B12 deficiency

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meth·yl·ma·lon·ic ac·id (meth″əl-mə-lonґik) a carboxylic acid occurring in excess in the blood and other body fluids in methylmalonicacidemia.

Medical dictionary. 2011.

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