gyrus

American  

[jahy-ruhs] / ˈdʒaɪ rəs /

noun

Anatomy.

plural

gyri

1. a convolution, especially of the brain.

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gyrus British  

/ ˈdʒaɪrəs /

noun

1. another name for convolution

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gyrus Scientific  

/ jī′rəs /

plural

gyri

1. A rounded ridge, as on the surfaces of the cerebral hemispheres.

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Other Word Forms

• subgyrus noun

Etymology

Origin of gyrus

1835–45; < Latin gȳrus; gyre

Compare meaning

How does gyrus compare to similar and commonly confused words? Explore the most common comparisons:

• gyrus vs. sulcus

Example Sentences

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

From Literature

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

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

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

The hippocampus, a brain region important for forming memories linked to specific places and contexts, produces new neurons daily in an area called the dentate gyrus.

From Science Daily