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motor neuron
noun
: a neuron that passes from the central nervous system or a ganglion toward a muscle and conducts an impulse that causes movement
called also motoneuron
Examples of motor neuron in a Sentence
Recent Examples on the Web
Amyotrophic lateral sclerosis and progressive bulbar palsy are both examples of motor neuron diseases.
—Marlene Lenthang, NBC News, 3 Oct. 2024
Lou Gehrig’s disease, named after the New York Yankees great who suffered from it — is also known as ALS or motor neuron disease.
—Margie Zable Fisher, Fortune Well, 1 Aug. 2024
For Raban a hard, deep solace came in the work of Judt, whose clear mind endured through his decline from a motor neuron disease, ALS, until his death in 2010.
—Colin Thubron, The New York Review of Books, 19 Jan. 2023
At 22, Mallon's arms slowly became paralyzed due to motor neuron disease.
—Georgia Slater, Peoplemag, 8 Mar. 2024
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Word History
First Known Use
1898, in the meaning defined above
Dictionary Entries Near motor neuron
Cite this Entry
“Motor neuron.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/motor%20neuron. Accessed 25 Nov. 2024.
Kids Definition
motor neuron
noun
: a neuron that passes from the central nervous system or a ganglion toward or to a muscle and carries a nerve impulse that causes movement compare sensory neuron
Medical Definition
motor neuron
noun
: a neuron that passes from the central nervous system or a ganglion toward or to a muscle and conducts a nerve impulse that causes movement
called also motoneuron
compare interneuron, sensory neuronMore from Merriam-Webster on motor neuron
Britannica.com: Encyclopedia article about motor neuron
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