English dictionary

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English *noun*: sulcus
1.	sulcus (body) (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
		Broader (hypernym)	fissure
		Narrower (hyponym)	calcarine fissure, calcarine sulcus, central sulcus, fissure of Rolando, fissure of Sylvius, lateral cerebral sulcus, parieto-occipital fissure, parieto-occipital sulcus, Rolando's fissure, sulcus centralis, sulcus lateralis cerebri, Sylvian fissure
		Domain category	anatomy, general anatomy

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