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serotonin

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serotonin

Main Entry: se·ro·to·nin

Pronunciation: \ˌsir-ə-ˈtō-nən, ˌser-\

Function: noun

Etymology: sero- + tonic + ¹-in

Date: 1948

: 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

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