motor cortex

US /ˈmoʊ.t̬ɚ ˌkɔːr.teks/
UK /ˈmoʊ.t̬ɚ ˌkɔːr.teks/
"motor cortex" picture
1.

the part of the cerebral cortex in the brain that controls voluntary movements

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Damage to the motor cortex can lead to paralysis.
The signals from the brain's motor cortex control muscle contractions.