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gyrus

American  
[jahy-ruhs] / ˈdʒaɪ rəs /

noun

Anatomy.
gyri plural
  1. a convolution, especially of the brain.


gyrus British  
/ ˈdʒaɪrəs /

noun

  1. another name for convolution

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gyrus Scientific  
/ jīrəs /
gyri plural
  1. A rounded ridge, as on the surfaces of the cerebral hemispheres.


Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of gyrus

1835–45; < Latin gȳrus; see gyre

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The electrical signals, lasting on average 120 milliseconds, were then found to move down and across the folds of the precentral gyrus to a neighboring auditory cortical subregion, called the superior temporal gyrus.

From Science Daily Dec. 3, 2024

MRI scans revealed that most of the brain activity was concentrated in the angular gyrus, a portion of the parietal lobe of the brain.

From Salon Jun. 5, 2024

One of the most striking findings were in cells of the dentate gyrus, where the researchers detected an important reduction of the expression of Snhg11.

From Science Daily Feb. 27, 2024

Additionally, they found that 1.8% of the parahippocampal gyrus and 0.8% of the cerebellum had shrunk compared to patients who were not COVID-19 positive.

From Salon Dec. 27, 2023

A difficulty besetting the investigation of the function of the angular gyrus is the fact that lesion of the cortex there is likely to implicate the underlying tract of fibres in its damage.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 4 "Bradford, William" to "Brequigny, Louis" by Various

The analysis points to involvement of areas within the frontolimbic brain regions, such as the inferior and middle frontal gyri, in these relationships.

From Science Daily May 30, 2024

Importantly, high flow was also associated with decreased activity in the brain's superior frontal gyri, an executive control region.

From Science Daily Mar. 4, 2024

Volume loss affected the gyri, subcortical perisylvian area, insula, and part of the striate nucleus.

From Textbooks Dec. 21, 2021

In other ways, however, they differed substantially. For example, women showed significantly more activity in the left inferior frontal gyri, a region important for language.

From Salon Mar. 15, 2014

Others believe it could refer to gyri, the ridges on the outer surface of the brain.

From "The First State of Being" by Erin Entrada Kelly

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