SEROTONIN

A common monoamine neurotransmitter in the brain and central nervous system, gastrointestinal tract. It is synthesized from the dietary amino acid l.-tryptophan (see tryptophan hydroxylase), and in the pineal gland it is converted to melatonin.

SEROTONIN: "Serotonin is synthesized from the dietary amino acid l-tryptophan."
Cite this page: N., Pam M.S., "SEROTONIN," in PsychologyDictionary.org, April 13, 2013, https://psychologydictionary.org/serotonin/ (accessed December 11, 2019).
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