motor neuron

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noun Cell Biology, Physiology.

a nerve cell that conducts impulses to a muscle, gland, or other effector.

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Also motoneuron.

Origin of motor neuron

First recorded in 1895–1900

Words nearby motor neuron

motor lorry, motorman, motor-minded, motor-mouth, motor nerve, motor neuron, motor neuron disease, motor neurone disease, motor nuclei, motor paralysis, motor park

How to use motor neuron in a sentence

When their alarmed parents seek medical help, the babies will be diagnosed with spinal muscular atrophy, or SMA, a neuromuscular disease in which certain motor neurons of the spinal cord progressively deteriorate.
The Rise of RNA Therapeutics - Issue 107: The Edge|Lina Zeldovich|September 29, 2021|Nautilus
Peeking into the structure of the mice’s spinal cord, the team also found that antibiotics-treated mice had far more cell death in their motor neurons—a symptom of ALS progression.
Treating the Brain Through the Stomach: Tweaking the Gut Microbiome Slowed ALS in Mice|Shelly Fan|July 13, 2021|Singularity Hub
Sensory and motor neurons are two different classes of neurons.
Explainer: What is a neuron?|Bryn St. Clair|April 22, 2021|Science News For Students
This neurotransmission then informs motor neurons in your legs and arm muscles to run to the toaster and pop up the smoking toast.
Explainer: What is a neuron?|Bryn St. Clair|April 22, 2021|Science News For Students

It goes down your spine through motor neurons, and this is an electrical signal.
Facebook reveals plan to let you control augmented reality with your thoughts|Dalvin Brown|March 18, 2021|Washington Post
They can hear the sound of his boat's motor, growing louder as it comes over the horizon.
Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST
The female fan base tends to hold steady at 38 percent, according to Amanda Regan, a spokeswoman for Feld Motor Sports.
The Moms of Monster Jam Drive Trucks, Buck Macho Culture|Eliza Krigman|November 22, 2014|DAILY BEAST
The power delivered by the rocket motor was uneven and tricky to control.
Virgin Galactic’s Flight Path to Disaster: A Clash of High Risk and Hyperbole|Clive Irving|November 1, 2014|DAILY BEAST
The turbulent waters caused one of his oars to crack, which—without a motor or a sail—can be severely detrimental to his voyage.
Victor Mooney’s Epic Adventure for His Dead Brother|Justin Jones|October 19, 2014|DAILY BEAST
Rolls Royce Motor Cars is a subsidiary of BMW, who make the engines.
Nationalism on Four Wheels|Clive Irving|October 18, 2014|DAILY BEAST
To think,” said the younger Englishwoman to her sister, “of this wee mite travelling about in an open motor!
The Joyous Adventures of Aristide Pujol|William J. Locke
Under these conditions, the large motor B collapses and the pull-down P (which is connected with the organ pallet) rises.
The Recent Revolution in Organ Building|George Laing Miller
A big gray sedan stood in the middle of the road, the motor idling.
Hooded Detective, Volume III No. 2, January, 1942|Various
The action of the springs now serves to close the valves V, V1, and to open out the motor M, whereupon the process is repeated.
The Recent Revolution in Organ Building|George Laing Miller
As the valve V1 is open, the sound waves formed in the pipe P1 will govern the speed of vibration of the motor M.
The Recent Revolution in Organ Building|George Laing Miller

Medical definitions for motor neuron

motor neuron

A neuron that conveys impulses from the central nervous system to a muscle, gland, or other effector tissue.