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motor neuron

noun

, Cell Biology, Physiology.
  1. a nerve cell that conducts impulses to a muscle, gland, or other effector.


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Word History and Origins

Origin of motor neuron1

First recorded in 1895–1900

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Example Sentences

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.

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.

This neurotransmission then informs motor neurons in your legs and arm muscles to run to the toaster and pop up the smoking toast.

Sensory and motor neurons are two different classes of neurons.

It goes down your spine through motor neurons, and this is an electrical signal.

Hawking, 71, has been suffering from the debilitating motor neuron disease ALS for half a century.

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motor-mouthmotor neurone disease