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serotonin

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noun se·ro·to·nin \ˌsir-ə-ˈtō-nən, ˌser-\

Definition of serotonin

  1. :  a phenolic amine neurotransmitter C10H12N2O that is a powerful vasoconstrictor and is found especially in the brain, blood serum, and gastric mucous membrane of mammals



Origin and Etymology of serotonin

sero- + tonic + 1-in


First Known Use: 1948


Medical Dictionary

serotonin

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noun se·ro·to·nin \ˌsir-ə-ˈtō-nən, ˌser-\

Medical Definition of serotonin

  1. :  a phenolic amine neurotransmitter C10H12N2O that is a powerful vasoconstrictor and is found especially in the brain, blood serum, and gastric mucous membrane of mammals—called also 5-HT, 5-hydroxytryptamine





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