neurotransmitter

noun
neu·​ro·​trans·​mit·​ter | \ ˌnu̇r-ō-tran(t)s-ˈmi-tər , -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

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 Rather than targeting those proteins, these medications alter the way neurotransmitters function in the brain. Sarah Jacoby, SELF, "How Exactly Do Different Kinds of Alzheimer’s Medications Work?," 6 Dec. 2018 All sorts of health issues are associated with a poorly functioning digestive system, from skin problems, to nutrient deficiencies, to impaired production of neurotransmitters and other feel good hormones, to a weakened immune system. Steven Macari, Harper's BAZAAR, "Drink Responsibly: A Healthy Guide to Imbibing," 21 Feb. 2014 This is likely due to a boost in endorphins, mood- enhancing chemicals in your body, and because exercise increases the flow of a different happy-inducing neurotransmitter. Brittney Mcnamara, Teen Vogue, "12 Celebrities Who Talk About Mental Health," 10 Oct. 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

19 Feb 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- \

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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