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
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The neurodegenerative disease, seen in many football players, can cause symptoms such as memory loss, depression, aggression and motor neuron disease, according to the Mayo Clinic. Danielle Jennings, People.com, 9 Jan. 2025 Candles will be lit by Lindsey Burrow, widow of rugby star Rob Burrow, who died from motor neuron disease earlier this year, Paralympians Lizzi Jordan and Danni Khan and six-time Olympic champion cyclist Chris Hoy, who opened up about his terminal cancer diagnosis in October. Kathy Rose O'Brien, CNN, 6 Dec. 2024 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 See all Example Sentences for motor neuron 

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of motor neuron was in 1898

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 18 Jan. 2025.

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 neuron

More from Merriam-Webster on motor neuron

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