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5-HT

5-HT 5-HT, also called serotonin, is a biochemical messenger made from the essential amino acid tryptophan.

5-HT, also called serotonin, is a biochemical messenger made from the essential amino acid tryptophan. In humans it is found mainly in the central nervous system, gastrointestinal tract, and blood platelets, where it helps regulate functions such as neurotransmission, gut movement, blood clotting, and cardiovascular stability.

Also see

Sources

Drafting source: U.S. National Library of Medicine. Medical Subject Headings (MeSH), 2026 descriptor edition. “Serotonin” (D012701).
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Cite this entry

PsychTerms (psychterms.org), CC BY 4.0, version 1. “5-HT.” Development preview.

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