neurotransmitter
noun
neu·ro·trans·mit·ter
ˌnu̇r-ō-tran(t)s-ˈmi-tər 
-tranz-,
ˌnyu̇r-
: a substance (such as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse
Examples of neurotransmitter in a Sentence
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These medications also affect other neurotransmitters, including histamine and histamine receptors.10 This effect leads to various side effects, including fatigue and sedation.
—
Lana Barhum, Verywell Health, 8 Oct. 2024
They're both regulated by a neurotransmitter called acetylcholine.
—Beth Mole, Ars Technica, 10 Sep. 2024
Readers will get a detailed course on how neurons and neurotransmitters work, the effects of stress on cognition, and the ways that fetal exposure to certain hormones can shape the brain.
—Chelsea Leu, The Atlantic, 5 Sep. 2024
Unlike traditional antidepressants that target the neurotransmitters serotonin and/or norepinephrine, ketamine targets glutamate — the most abundant chemical messenger in the brain, Feifel said.
—Andrea Kane, CNN, 31 Aug. 2024
See all Example Sentences for neurotransmitter 
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Lana Barhum, Verywell Health, 8 Oct. 2024
They're both regulated by a neurotransmitter called acetylcholine.
—Beth Mole, Ars Technica, 10 Sep. 2024
Readers will get a detailed course on how neurons and neurotransmitters work, the effects of stress on cognition, and the ways that fetal exposure to certain hormones can shape the brain.
—Chelsea Leu, The Atlantic, 5 Sep. 2024
Unlike traditional antidepressants that target the neurotransmitters serotonin and/or norepinephrine, ketamine targets glutamate — the most abundant chemical messenger in the brain, Feifel said.
—Andrea Kane, CNN, 31 Aug. 2024
See all Example Sentences for neurotransmitter
Dictionary Entries Near neurotransmitter
Cite this Entry
“Neurotransmitter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neurotransmitter. Accessed 8 Nov. 2024.
Copy CitationKids Definition
neurotransmitter
noun
neu·ro·trans·mit·ter
ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər
-tranz-
: a substance (as acetylcholine) that carries a nerve impulse from one neuron to another across a synapse
Medical Definition
neurotransmitter
noun
neu·ro·trans·mit·ter
ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər, -tranz-
: a substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse see false neurotransmitter
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