sulcus

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sul·cus

 (sŭl′kəs)
n. pl. sul·ci (-kī, -sī)
1. A deep, narrow furrow or groove, as in an organ or tissue.
2. Any of the narrow fissures separating adjacent convolutions of the brain.

[Latin.]

sul′cal adj.
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.

sulcus

(ˈsʌlkəs)
n, pl -ci (-saɪ)
1. a linear groove, furrow, or slight depression
2. (Anatomy) any of the narrow grooves on the surface of the brain that mark the cerebral convolutions. Compare fissure
[C17: from Latin]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sul•cus

(ˈsʌl kəs)

n., pl. -ci (-sī).
Anat. a groove or fissure, esp. a fissure between two convolutions of the brain.
[1655–65; Latin: furrow]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sulcus - (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain
fissure - (anatomy) a long narrow slit or groove that divides an organ into lobes
central sulcus, fissure of Rolando, Rolando's fissure, sulcus centralis - a brain fissure extending upward on the lateral surface of both hemispheres; separates the frontal and parietal lobes
fissure of Sylvius, lateral cerebral sulcus, sulcus lateralis cerebri, Sylvian fissure - the deepest and most prominent of the cortical fissures; separates the frontal lobes and temporal lobes in both hemispheres
parieto-occipital fissure, parieto-occipital sulcus - a sulcus near the posterior end of each hemisphere that separates the parietal lobes and the occipital lobes in both hemispheres
calcarine fissure, calcarine sulcus - a sulcus in the mesial surface of the occipital lobe of the cerebrum
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
References in periodicals archive ?
Arterial supply of the posterior interventricular sulcus: A CT coronary angiographic study.
It drains the paraconal interventricular sulcus around the left conal vein towards the left side of the pulmonary trunk and upwards to the mediastinum via the nearest lymph node (corresponding to the tracheobronchial node in other species) (Figure 1).
Dual left anterior descending coronary artery (LAD) is defined as the presence of two LADs within the anterior interventricular sulcus (AIVS): a short LAD that courses and terminates high in the AIVS, and a long LAD that originates from either the LAD proper or from the right coronary artery (RCA), then enters the distal AIVS and courses to the apex.

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