claustrum(redirected from claustra)
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Related to claustra: claustrophobia
n. pl. claus·tra (-trə)
Any of several anatomical structures resembling a barrier, especially the thin vertical layer of gray matter of the brain that lies close to the outer portion of the lentiform nucleus, from which it is separated by the external capsule.
[New Latin, from Latin, bar, barrier, enclosed place; see cloister.]
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.
(Anatomy) a thin layer of grey matter in the brain
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||claustrum - a layer of grey matter in the brain adjacent to the lenticular nucleus|
basal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement
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