gyrus Hear it!

gyrus definition

gy·rus (jī′rəs)

noun pl. gyri -·ri′ (-rī′)

Anat. a convoluted ridge or fold between fissures, or sulci, of the cortex of the brain

Etymology: ModL < L: see gyre

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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