plural gyri
ˈjī-ˌrī 
: a convoluted ridge between anatomical grooves
especially
: convolution sense 2
Examples of gyrus in a Sentence
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The angular gyrus helps organize different signals from different parts of your body that capture sensory information like your tongue.
—
Bruce Y. Lee, Forbes.com, 24 May 2025
When she was asked to imagine visiting the rooms of her house, blood flowed to different parts of her brain, including the parahippocampal gyrus, a strip of cortex crucial for spatial navigation.
—Sarah Zhang, The Atlantic, 16 May 2025
In further experiments, the MIT scientists determined that the neural circuits that were malleable were located in the brain's hippocampus in a region called the dentate gyrus.
—IEEE Spectrum, 27 Aug. 2014
When asked about sacred values, all participants showed greater activity of the left inferior frontal gyrus, an area of the brain associated with non-rational thinking.
—Scott Atran, Foreign Affairs, 2 Dec. 2019
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Bruce Y. Lee, Forbes.com, 24 May 2025
When she was asked to imagine visiting the rooms of her house, blood flowed to different parts of her brain, including the parahippocampal gyrus, a strip of cortex crucial for spatial navigation.
—Sarah Zhang, The Atlantic, 16 May 2025
In further experiments, the MIT scientists determined that the neural circuits that were malleable were located in the brain's hippocampus in a region called the dentate gyrus.
—IEEE Spectrum, 27 Aug. 2014
When asked about sacred values, all participants showed greater activity of the left inferior frontal gyrus, an area of the brain associated with non-rational thinking.
—Scott Atran, Foreign Affairs, 2 Dec. 2019
See All Example Sentences for gyrus
Cite this Entry
“Gyrus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gyrus. Accessed 30 Jun. 2025.
Copy CitationMedical Definition
gyrus
noun
gy·rus
ˈjī-rəs
plural gyri
-ˌrī
: a convoluted ridge between anatomical grooves
especially
: convolution
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