serotonin









serotonin


noun Biochemistry.

  1. a neurotransmitter, derived from tryptophan, that is involved in sleep, depression, memory, and other neurological processes.

noun

  1. a compound that occurs in the brain, intestines, and blood platelets and acts as a neurotransmitter, as well as inducing vasoconstriction and contraction of smooth muscle; 5-hydroxytryptamine (5HT)

n.neurotransmitting chemical, 1948, coined from sero-, comb. form of serum (q.v.) + ton(ic) + chemical suffix -in (2). n.

  1. An organic compound formed from tryptophan and found in animal and human tissue, especially the brain, blood serum, and gastric mucous membranes, and active in vasoconstriction, stimulation of the smooth muscles, transmission of impulses between nerve cells, and regulation of cyclic body processes.5-hydroxytryptamine

  1. 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.

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