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5-hydroxyindoleacetic acid

5–hy·droxy·in·dole·ace·tic acid

noun
\ˈfīv-hī-ˌdräk-sē-ˌin-(ˌ)dōl-ə-ˌsēt-ik-\

: a metabolite C₁₀H₉NO₃ of serotonin that is present in cerebrospinal fluid and in urine—abbreviation 5-HIAA

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