motor cortex

motor cortex
motor cortex n the cortex of a motor area also the motor areas as a functional whole

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the region of the cerebral cortex that is responsible for initiating nerve impulses that bring about voluntary activity in the muscles of the body. It is possible to map out the cortex to show which of its areas is responsible for which particular part of the body. The motor cortex of the left cerebral hemisphere is responsible for muscular activity in the right side of the body.

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see under area.

Medical dictionary. 2011.

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