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sulcus, n.
(sulci)
more info (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
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sulcus
semantic pointers
hypernym
fissure
domain of synset (topic)
anatomy, general anatomy
hyponym
fissure of Rolando, Rolando's fissure, central sulcus, sulcus centralis fissure of Sylvius, Sylvian fissure, lateral cerebral sulcus, sulcus lateralis cerebri parieto-occipital sulcus, parieto-occipital fissure calcarine sulcus, calcarine fissure