5-hydroxyindoleacetic acid

noun
5-hy·​droxy·​in·​dole·​ace·​tic acid | \ ˈfīv-hī-ˌdräk-sē-ˌin-(ˌ)dōl-ə-ˌsēt-ik- How to pronounce 5-hydroxyindoleacetic acid (audio) \

Medical Definition of 5-hydroxyindoleacetic acid

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

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