| has gloss | (noun) (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
sulcus |
| has gloss | eng: A sulcus (pronounced with a hard c) (pl. sulci) is a depression or fissure in the surface of an organ, especially the brain. |
| lexicalization | eng: sulcus |
| subclass of | (noun) (anatomy) a long narrow slit or groove that divides an organ into lobes
fissure |
| has subclass | (noun) a brain fissure extending upward on the lateral surface of both hemispheres; separates the frontal and parietal lobes
central sulcus, fissure of Rolando, sulcus centralis, Rolando's fissure |
| has subclass | (noun) the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres
lateral cerebral sulcus, Sylvian fissure, sulcus lateralis cerebri, fissure of Sylvius |
| has subclass | (noun) a sulcus near the posterior end of each hemisphere that separates the parietal lobes and the occipital lobes in both hemispheres
parieto-occipital fissure, parieto-occipital sulcus |
| has subclass | (noun) a sulcus in the mesial surface of the occipital lobe of the cerebrum
calcarine fissure, calcarine sulcus |