motor neuron

US /ˈmoʊtər ˈnʊrɑn/
UK /ˈmoʊtər ˈnʊrɑn/
"motor neuron" picture
1.

a nerve cell that transmits electrical signals from the brain or spinal cord to muscles or glands, causing them to contract or secrete.

:
Damage to motor neurons can lead to muscle weakness and paralysis.
The brain sends signals through motor neurons to control voluntary movements.