Medical Dictionary

methylmalonic acid

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noun meth·yl·ma·lon·ic acid \ˌmeth-əl-mə-ˌlän-ik-\

Medical Definition of methylmalonic acid

  1. :  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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