Definition of gyrus in English:
noun (plural gyri /ˈjīrī/)Anatomy
A ridge or fold between two clefts on the cerebral surface in the brain.
- The cerebellum has on its surface a series of tight folds, called folia, similar to, but narrower than, the gyri of the cerebral cortex.
- A comparison of the brain scans from the two groups revealed significant differences in the volume of gray matter in areas of the frontal and temporal lobes and the cingulate gyrus.
- On each side, the gyrus rectus of the frontal lobe is well developed and the orbital gyri are arranged irregularly around the H-shaped orbital sulci.
Definition of gyrus in:
- British & World English dictionary
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