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Definition of Sulcus
1. Noun. (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain.
Specialized synonyms: Central Sulcus, Fissure Of Rolando, Rolando's Fissure, Sulcus Centralis, Fissure Of Sylvius, Lateral Cerebral Sulcus, Sulcus Lateralis Cerebri, Sylvian Fissure, Parieto-occipital Fissure, Parieto-occipital Sulcus, Calcarine Fissure, Calcarine Sulcus
Category relationships: Anatomy, General Anatomy
Definition of Sulcus
1. n. A furrow; a groove; a fissure.
Definition of Sulcus
1. Noun. (anatomy) a furrow or groove in an organ or a tissue ¹
2. Noun. (anatomy) any of the grooves that mark the convolutions of the surface of the brain ¹
3. Noun. (planetology) subparallel grooves and ditches formed by geological processes ¹
¹ Source: wiktionary.com
Definition of Sulcus
1. a narrow furrow [n -CI] : SULCAL [adj]
Lexicographical Neighbors of Sulcus
Literary usage of Sulcus
Below you will find example usage of this term as found in modern and/or classical literature:
1. Anatomy, Descriptive and Surgical by Henry Gray (1901)
"The ascending parietal convolution is bounded in front by the fissure of Rolando,
behind by the ascending portion of the intra-parietal sulcus and by the ..."
2. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"They are developed independently, and they run parallel with the central sulcus,
from which they are separated by the posterior central gyrus. ..."
3. The Anatomy of the Nervous System from the Standpoint of Development and by Stephen Walter Ranson (1920)
"frontal lobe. Within it one may identify three chief sulci, which are, however,
subject to considerable variation. The precentral sulcus is more or ..."
4. Anatomy of the Cat by Jacob Ellsworth Reighard, Herbert Spencer Jennings (1901)
"Some distance from the dorsal margin a long sulcus runs parallel with the ...
The marginal gyrus (1) is dorsad of the splenial sulcus, passing onto the ..."
5. Investigations representing the departments by University of Chicago, E.F. Young, John Dewey (1903)
"The upper of these begins 0.6 behind the sulcus occipitalis transversus, ...
The sulcus temporalis transversus primus is a very shallow groove separating ..."
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