Illustration of neuron
- 1 cell body
- 2 dendrite
- 3 axon
- 4 nerve ending
: a grayish or reddish granular cell that is the fundamental functional unit of nervous tissue transmitting and receiving nerve impulses and having cytoplasmic processes which are highly differentiated frequently as multiple dendrites or usually as solitary axons which conduct impulses to and away from the cell body : nerve cell sense 1
Examples of neuron in a Sentence
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The neuroscience behind limbic synchrony begins with the discovery of mirror neurons and research into how empathy develops in the brain.
—
Carol Kinsey Goman, Forbes.com, 9 July 2025
The team found that targeting a certain enzyme helped to restore neuron and cell communication in mice.
—Khloe Quill, FOXNews.com, 7 July 2025
The researchers discovered that a persistent bond between two proteins is associated with the strengthening of synapses, which are the connections between neurons.
—Ajdina Halilovic, Wired News, 6 July 2025
Two adults stood out for having many more neural precursor cells and immature neurons than the rest.
—Nora Bradford, Scientific American, 3 July 2025
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Carol Kinsey Goman, Forbes.com, 9 July 2025
The team found that targeting a certain enzyme helped to restore neuron and cell communication in mice.
—Khloe Quill, FOXNews.com, 7 July 2025
The researchers discovered that a persistent bond between two proteins is associated with the strengthening of synapses, which are the connections between neurons.
—Ajdina Halilovic, Wired News, 6 July 2025
Two adults stood out for having many more neural precursor cells and immature neurons than the rest.
—Nora Bradford, Scientific American, 3 July 2025
See All Example Sentences for neuron
Cite this Entry
“Neuron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/neuron. Accessed 19 Jul. 2025.
Copy CitationKids Definition
neuron
noun
neu·ron
ˈn(y)ü-ˌrän 
ˈn(y)u̇(ə)r- ˌän
ˈn(y)u̇(ə)r- ˌän
: a grayish or reddish cell that is the basic working unit of the nervous system and has an axon and dendrites that carry nerve impulses
Medical Definition
neuron
noun
neu·ron
ˈn(y)ü-ˌrän
ˈn(y)u̇(ə)r-ˌän
ˈn(y)u̇(ə)r-ˌän
variants
also neurone
: one of the cells that constitute nervous tissue, that have the property of transmitting and receiving nerve impulses, and that are composed of somewhat reddish or grayish protoplasm with a large nucleus containing a conspicuous nucleolus, irregular cytoplasmic granules, and cytoplasmic processes which are highly differentiated frequently as multiple dendrites or usually as solitary axons and which conduct impulses toward and away from the cell body : nerve cell sense 1
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