neurotransmitter

noun
neu·​ro·​trans·​mit·​ter | \ ˌnu̇r-ō-tran(t)s-ˈmi-tər How to pronounce neurotransmitter (audio) , -tranz-, ˌnyu̇r-\

Definition of neurotransmitter

: a substance (such as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse

Examples of neurotransmitter in a Sentence

Recent Examples on the Web

Most of the RNAs that were under-edited in autistic brains relative to control brains come from genes that are involved in the transmission of glutamate, a vital neurotransmitter, across synapses. Diana Gitig, Ars Technica, "Autism involves a large-scale reduction in RNA editing," 21 Dec. 2018 Some research indicates this plant may have potential sedative and anxiety-reducing effects by increasing the neurotransmitter GABA. Caroline Picard, Good Housekeeping, "What You Need to Know About OTC Sleep Aids, According to Neurologists," 30 Jan. 2019 This is because alcohol acts on your brain’s reward system by prompting the release of dopamine, a neurotransmitter that can induce good feelings. Natasha Lavender, SELF, "What to Do if Your Friend Is Passed Out Drunk," 26 Feb. 2019 Endorphins are neurotransmitters that can bring about positive feelings. Rachel Jacoby Zoldan, SELF, "14 Benefits of Female Masturbation and Why Every Woman Should Do It," 31 Dec. 2018 This is because their effect on the neurotransmitter dopamine may have the potential to increase the levels of the hormone prolactin in the body, which can lead to anovulation in some people. Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 According to Cooke, poor light has been shown to inhibit neurotransmitters in the brains of newborns. Jennifer Fernandez, House Beautiful, "6 Nursery-Decorating Mistakes To Avoid For Your Baby’s Health," 19 Dec. 2018 These drugs typically work by affecting the levels of brain neurotransmitters that impact mood, like dopamine and serotonin, Jamie Alan, Ph.D., an assistant professor of pharmacology and toxicology at Michigan State University, tells SELF. Korin Miller, SELF, "What to Know About Getting Pregnant If You Take Antipsychotics," 17 Jan. 2019 Photo: Frank May/DPA/ZUMA Press Gaming affects the production of dopamine, a neurotransmitter tied to the brain’s reward system and linked by researchers to addiction. Betsy Morris, WSJ, "How Fortnite Triggered an Unwinnable War Between Parents and Their Boys," 21 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'neurotransmitter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of neurotransmitter

1961, in the meaning defined above

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Last Updated

30 Apr 2019

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The first known use of neurotransmitter was in 1961

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More Definitions for neurotransmitter

neurotransmitter

noun

English Language Learners Definition of neurotransmitter

medical : a substance in the body that carries a signal from one nerve cell to another

neurotransmitter

noun
neu·​ro·​trans·​mit·​ter | \ ˌn(y)u̇r-ō-tran(t)s-ˈmit-ər, -tranz- How to pronounce neurotransmitter (audio) \

Medical Definition of neurotransmitter

: a substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse — see false neurotransmitter

More from Merriam-Webster on neurotransmitter

Britannica.com: Encyclopedia article about neurotransmitter

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