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gyri

[jahy-rahy] /ˈdʒaɪ raɪ/
noun
1.
plural of gyrus.

gyrus

[jahy-ruh s] /ˈdʒaɪ rəs/
noun, plural gyri
[jahy-rahy] /ˈdʒaɪ raɪ/ (Show IPA).
Anatomy
1.
a convolution, especially of the brain.
Origin
1835-1845
1835-45; < Latin gȳrus; see gyre
Related forms
subgyrus, noun, plural subgyri.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for gyri
  • Clear cerebrospinal fluid surrounds the brain which has unremarkable gyri and sulci.
British Dictionary definitions for gyri

gyrus

/ˈdʒaɪrəs/
noun (pl) gyri (ˈdʒaɪraɪ)
1.
another name for convolution (sense 3)
Word Origin
C19: from Latin; see gyre
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 gyri

gyrus

n.

convolution between grooves, 1842, from Latin gyrus "circle, circuit, career," from Greek gyros "ring, circle" (see gyre).

Online Etymology Dictionary, © 2010 Douglas Harper
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gyri in Medicine

gyrus gy·rus (jī'rəs)
n. pl. gy·ri (-rī')
Any of the prominent, rounded, elevated convolutions on the surfaces of the cerebral hemispheres.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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gyri in Science
gyrus
  (jī'rəs)   
Plural gyri
A rounded ridge, as on the surfaces of the cerebral hemispheres.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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