plural gyri ˈjī-ˌrī 
: a convoluted ridge between anatomical grooves
especially : convolution sense 2
Examples of gyrus in a Sentence
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Wiseman hypothesized that stronger magnetic fields may affect the brain, similar to how electrical stimulation of the angular gyrus can make one feel as if there is another person standing behind, mimicking one’s movements. —
ArsTechnica, 27 Apr. 2026 While studies have since recognized the phenomenon in humans — in a part of the hippocampus called the dentate gyrus — evidence has been mixed and the process poorly understood. —Lindsey Leake, NBC news, 26 Feb. 2026 There’s also a couple of areas that fall along the side of the middle temporal gyrus, this big hunk of meat that goes along the whole temporal lobe. —Quanta Magazine, 5 Dec. 2025 People with positive parenting feelings exhibited more connectivity changes in parts of the brain that are important for self-control (the middle frontal gyrus) and empathy (the supramarginal gyrus). —Anthony Vaccaro, Scientific American, 29 Oct. 2025 See All Example Sentences for gyrus
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ArsTechnica, 27 Apr. 2026 While studies have since recognized the phenomenon in humans — in a part of the hippocampus called the dentate gyrus — evidence has been mixed and the process poorly understood. —Lindsey Leake, NBC news, 26 Feb. 2026 There’s also a couple of areas that fall along the side of the middle temporal gyrus, this big hunk of meat that goes along the whole temporal lobe. —Quanta Magazine, 5 Dec. 2025 People with positive parenting feelings exhibited more connectivity changes in parts of the brain that are important for self-control (the middle frontal gyrus) and empathy (the supramarginal gyrus). —Anthony Vaccaro, Scientific American, 29 Oct. 2025 See All Example Sentences for gyrus
Cite this Entry
“Gyrus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/gyrus. Accessed 30 Apr. 2026.
Copy CitationMedical Definition
gyrus
noun
gy·rus ˈjī-rəs
plural gyri -ˌrī
: a convoluted ridge between anatomical grooves
especially : convolution
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