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gyrus

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(jī′rəs)

noun pl. gyri

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

Origin: ModL < L: see gyre

See gyrus in American Heritage Dictionary 4

noun pl. gy·ri (-rīˌ)

Any of the prominent, rounded, elevated convolutions on the surfaces of the cerebral hemispheres.

Origin:

Origin: Latin gȳrus, circle; see gyre

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