Gyrus definition

jīrəs
gyri
See word origin
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

Gyrus Sentence Examples

  • The subject without psychic ability had activation in a different part of the brain instead, the left inferior frontal gyrus.

  • A region of posterior left middle temporal gyrus showed significantly increased activation for verbs.

  • Comparison of deep hits versus shallow hits at test revealed activations in regions including left inferior parietal gyrus.

  • All four types of stimuli activated the superior temporal gyrus.

  • The dentate gyrus of the hippocampal formation continues to generate new neurons well into adulthood.

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Also Mentioned In

Words near gyrus in the Dictionary