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[klaw-struh m, klou-] /ˈklɔ strəm, ˈklaʊ-/
noun, plural claustra
[klaw-struh, klou-] /ˈklɔ strə, ˈklaʊ-/ (Show IPA).
Origin of claustrum
1840-50; < New Latin; Latin: bolt, barrier, equivalent to claud(ere) to close, shut + -trum instrumental suffix; cf. cloister Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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claustra in Medicine

claustrum claus·trum (klô'strəm)
n. pl. claus·tra (-trə)
Any of several anatomical structures resembling a barrier, especially a thin vertical lamina of gray matter of the brain lying close to the outer portion of the lenticular nucleus, from which it is separated by the external capsule.

claus'tral 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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