motor neuron
US /ˈmoʊtər ˈnʊrɑn/
UK /ˈmoʊtər ˈnʊrɑn/
1.
a nerve cell that transmits electrical signals from the brain or spinal cord to muscles or glands, causing them to contract or secrete.
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Damage to motor neurons can lead to muscle weakness and paralysis.
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The brain sends signals through motor neurons to control voluntary movements.