serotonin
Use Serotonin in a sentence
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əˈtoʊ noun Biochemistry.
a neurotransmitter, derived from tryptophan, that is involved in sleep, depression, memory, and other neurological processes.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To serotonin
Collins
World English Dictionary
serotonin (ˌsɛrəˈtəʊnɪn) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| 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) | |
| [from | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Serotonin
is always a great word to know.
So is callithumpian. Does it mean:
| the offspring of a zebra and a donkey. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
Etymonline
Word Origin & History
serotonin
neurotransmitting chemical, 1948, coined from sero-, comb. form of serum (q.v.) + ton(ic) + chemical suffix -in.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
serotonin se·ro·to·nin (sěr'ə-tō'nĭn, sēr'-)
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. Also called 5-hydroxytryptamine.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
| serotonin (sěr'ə-tō'nĭn, sîr'-) Pronunciation Key
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Sadly, nobody seems yet to have studied the serotonin levels of human leaders when they have been promoted or sacked.
Proper regulation of serotonin helps promote well-being and protects against depression in response to trauma or stress.
They include patients with tumors that secreted serotonin and those who had taken a migraine drug, ergotamine, for long periods.
However, serotonin and pain thresholds have been linked.
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