plural gyri
ˈjī-ˌrī 
: a convoluted ridge between anatomical grooves
especially
: convolution sense 2
Examples of gyrus in a Sentence
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In contrast, when people recalled perception-heavy stories, the hippocampus activated along with brain networks outside of the DMN, including the left angular gyrus.
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Allison Parshall, Scientific American, 20 Oct. 2025
Brain regions linked to emotion, attention, and meaning-making—including the orbitofrontal cortex (which processes subjective value), the angular gyrus, and the medial prefrontal cortex—showed the strongest similarities among people who later became close.
—Alice Gibbs, MSNBC Newsweek, 26 Sep. 2025
To use an early version of Stavisky’s brain-to-text system, the patient had 256 microelectrodes implanted into his ventral precentral gyrus, an area of the brain responsible for controlling vocal tract muscles.
—ArsTechnica, 29 June 2025
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
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Allison Parshall, Scientific American, 20 Oct. 2025
Brain regions linked to emotion, attention, and meaning-making—including the orbitofrontal cortex (which processes subjective value), the angular gyrus, and the medial prefrontal cortex—showed the strongest similarities among people who later became close.
—Alice Gibbs, MSNBC Newsweek, 26 Sep. 2025
To use an early version of Stavisky’s brain-to-text system, the patient had 256 microelectrodes implanted into his ventral precentral gyrus, an area of the brain responsible for controlling vocal tract muscles.
—ArsTechnica, 29 June 2025
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
See All Example Sentences for gyrus
Cite this Entry
“Gyrus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/gyrus. Accessed 31 Oct. 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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