EXAMPLES | WORD ORIGIN noun . Biochemistry a neurotransmitter, derived from tryptophan, that is involved in sleep, depression, memory, and other neurological processes. Origin of serotonin
First recorded in
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for serotonin Contemporary Examples of serotonin
serotonin levels are back up to normal, they can make enough melatonin so you can sleep better, says Dr. Rindfleisch.
Spaghetti squash also contains specific nutrients that help convert the tryptophan in other foods you eat into
Flooding your brain with dopamine and
serotonin, it not only heightens feelings of euphoria, but empathy and love as well.
serotonin might play a role, too, researchers say, as well as other brain chemicals and receptors.
Those drugs are SSRIs—
serotonin uptake inhibitors—and they spin their mood magic by elevating levels of serotonin in the brain. British Dictionary definitions for serotonin noun 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) Word Origin for serotonin
sero- + ton ( ic) + -in
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for serotonin n.
neurotransmitting chemical, 1948, coined from
sero-, comb. form of serum (q.v.) + ton(ic) + chemical suffix -in (2).
Online Etymology Dictionary, © 2010 Douglas Harper
serotonin [sĕr′ə-tō ′nĭn, sîr′-] n. 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
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.