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neurotransmitter
[ noor-oh-trans-mit-er, -tranz-, nyoor- ]
noun
- any of several chemical substances, as epinephrine or acetylcholine, that transmit nerve impulses across a synapse to a postsynaptic element, as another nerve, muscle, or gland.
neurotransmitter
/ ˌnjʊərəʊtrænzˈmɪtə /
noun
- a chemical by which a nerve cell communicates with another nerve cell or with a muscle
neurotransmitter
/ nr′ō-trănz′mĭt-ər /
- A chemical substance that is produced and secreted by a neuron and then diffuses across a synapse to cause excitation or inhibition of another neuron. Acetylcholine, norepinephrine, dopamine, and serotonin are examples of neurotransmitters.
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Notes
Drugs like Prozac and alcohol affect the emission and reception of neurotransmitters.
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Word History and Origins
Origin of neurotransmitter1
First recorded in 1960–65; neuro- + transmitter
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Example Sentences
Protein stimulates a neurotransmitter in your brain called orexin.
From The Daily Beast
It influences how our brains respond to dopamine, a feel-good neurotransmitter unleashed by new and rewarding experiences.
From The Daily Beast
Parkinson's wreaks havoc by affecting nerve cells in the brain that make the neurotransmitter called dopamine.
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