gyrus

noun gy·rus \ ˈjī-rəs \

Updated on: 21 Mar 2018

Definition of gyrus

plural gyri play \ˈjī-ˌrī\

: a convoluted ridge between anatomical grooves; especially : convolution 2

Recent Examples of gyrus from the Web

The structure called the cingulate gyrus, curving through the center of the brain, is hyperactive in murderers.

— rob verger, Newsweek, "Newsweek Rewind: 15 Years After Columbine, a Nation Still Asks ‘Why?’," 17 Apr. 2014
This time a different area, the parahippocampal gyrus (involved in spatial memory and navigation), responded — again as in a normal person.

— george johnson, New York Times, "A Pioneering Neuroscientist Reports From ‘the Border of Life and Death’," 22 Aug. 2017
As expected, the act of improv led to a surge of activity in a variety of neural areas, including the premotor cortex and the inferior frontal gyrus.

— jonah lehrer, WIRED, "Basketball and Jazz," 6 June 2011

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gyrus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of gyrus

New Latin, from Latin, circle — more at gyre

NEW! Time Traveler

First Known Use: circa 1842

in the meaning defined above

See Words from the same year

Medical Dictionary

gyrus

noun gy·rus \ ˈjī-rəs \

medical Definition of gyrus

plural gyri play \-ˌrī\

: a convoluted ridge between anatomical grooves; especially : convolution

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See words that rhyme with gyrus Britannica.com: Encyclopedia article about gyrus

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gyrus

Definition of gyrus

Recent Examples of gyrus from the Web

Origin and Etymology of gyrus

Medical Dictionary

gyrus

medical Definition of gyrus

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gyrus

Definition of gyrus

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