Gyrus definition

jīrəs
Frequency:
(anat.) A convoluted ridge or fold between fissures, or sulci, of the cortex of the brain.
noun
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A rounded ridge, as on the surfaces of the cerebral hemispheres.
noun
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A rounded ridge, as on the surfaces of the cerebral hemispheres.
noun
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A rounded ridge, as on the surfaces of the cerebral hemispheres.
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(anatomy) A ridge or fold on the cerebral cortex.
noun
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Other Word Forms

Noun

Singular:
gyrus
Plural:
gyri, gyruses

Origin of gyrus

  • Latin gȳrus circle gyre

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin gȳrus (“circle”), from Ancient Greek γῦρος (guros)

    From Wiktionary