motor cortices

motor cortex

noun
the region of the cerebral cortex concerned with transmitting impulses to the voluntary muscles.

Origin:
1885–90

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

motor cortex n.
The region of the cerebral cortex influencing movements of the face, neck and trunk, and arm and leg. Also called excitable area, motor area, Rolando's area.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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