sylvian fissuresyl·vi·an fissure
The deepest and most conspicuous of the cortical fissures of the brain, extending between the frontal and temporal lobes, then back and slightly upward over the lateral aspect of the cerebral hemisphere. Also called fissure of Sylvius, lateral sulcus.
Origin of sylvian fissureAfter Franciscus Sylvius, (1614–1672), German-born Dutch physician and anatomist.
(plural Sylvian fissures)
- (anatomy) The lateral sulcus of the brain