Medical Definition of sylvian fissure
: a deep fissure of the lateral aspect of each cerebral hemisphere that divides the temporal from the parietal and frontal lobes—called also fissure of Sylvius, lateral fissure, lateral sulcus
Biographical Note for sylvian fissure
Dubois \du̅e̅-ˈbō-ä\play or
De Le Boë \ˌdā-lā-ˈbō-ā\play
Franz ( Latin
Franciscus Sylvius) (1614–1672), Dutch anatomist, physician, and chemist. As a professor of medicine at Leiden, Dubois was one of Europe's most celebrated teachers. He is considered by many the founder of the 17th-century school of iatrochemical medicine, a school that held that all the phenomena of life and disease are based on chemical action. This school sought to apply rationally the universal laws of chemistry and physics to medicine. He extensively investigated the anatomy of the brain, and in 1641 he discovered the deep cleft separating the temporal, frontal, and parietal lobes of the brain. This cleft is now known as the sylvian fissure. He published his collected medical works in 1671.
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