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sulcus

[suhl-kuh s] /ˈsʌl kəs/
noun, plural sulci
[suhl-sahy] /ˈsʌl saɪ/ (Show IPA)
1.
a furrow or groove.
2.
Anatomy. a groove or fissure, especially a fissure between two convolutions of the brain.
Origin
1655-1665
1655-65; Latin: furrow
Related forms
subsulcus, noun, plural subsulci.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for subsulci

sulcus

/ˈsʌlkəs/
noun (pl) -ci (-saɪ)
1.
a linear groove, furrow, or slight depression
2.
any of the narrow grooves on the surface of the brain that mark the cerebral convolutions Compare fissure
Word Origin
C17: from Latin
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for subsulci

sulcus

n.

plural sulci, Latin, literally "furrow, trench, ditch, wrinkle."

Online Etymology Dictionary, © 2010 Douglas Harper
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subsulci in Medicine

sulcus sul·cus (sŭl'kəs)
n. pl. sul·ci (-kī, -sī)

  1. Any of the grooves on the brain surface, bounding the gyri; a fissure.

  2. A long narrow groove or depression, as in an organ or a tissue.


sul'cal adj.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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