sylvian fissure(redirected from fissures of Sylvius)
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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.
[After Franciscus Sylvius (1614-1672), German-born Dutch physician and anatomist.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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|Noun||1.||Sylvian fissure - the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres|
sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
cerebrum - anterior portion of the brain consisting of two hemispheres; dominant part of the brain in humans
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