gyrus

[ jahy-ruhs ]

noun

, Anatomy.

, plural gy·ri [jahy, -rahy].

1. a convolution, especially of the brain.

gyrus

/ ˈdʒaɪrəs /

noun

1. another name for convolution

gyrus

/ jī′rəs /

, Plural gyri

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

Other Words From

• sub·gyrus noun plural subgyri

Word History and Origins

Origin of gyrus¹

1835–45; < Latin gȳrus; gyre

Word History and Origins

Origin of gyrus¹

C19: from Latin; see gyre

Example Sentences

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

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

From Science Daily

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