gyrus

[jahy-ruhs]

noun

Anatomy.

plural

gyri 

1. a convolution, especially of the brain.

gyrus

/ ˈdʒaɪrəs /

noun

1. another name for convolution

gyrus

plural

gyri 

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

Other Word Forms

• subgyrus noun

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

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.

Read more on 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.

Read more on Salon

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

Read more on 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.

Read more on Science Daily

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

Read more on Science Daily