serotonin

se·ro·to·nin  (sr-tnn, sîr-)

n.

An organic compound, C₁₀H₁₂N₂O, formed from tryptophan and found in animal and human tissue, especially the brain, blood serum, and gastric mucous membranes, and active as a neurotransmitter and in vasoconstriction, stimulation of the smooth muscles, and regulation of cyclic body processes.

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[sero- + ton(e) + -in.]

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serotonin  (sr-tnn, sîr-)

A monoamine substance that is formed from tryptophan and found in many animal tissues, including the intestine and central nervous system. In the brain, serotonin acts as a neurotransmitter that is involved in the control of pain perception, the sleep-wake cycle, and mood. Serotonin is also produced in some bacteria and plants.

Thesaurus

Noun

1.

serotonin - a neurotransmitter involved in e.g. sleep and depression and memory 5-hydroxytryptamine monoamine neurotransmitter - a monoamine that is functionally important in neural transmission