claustrum

[klaw-struh m, klou-]

Origin of claustrum

1840–50; < New Latin; Latin: bolt, barrier, equivalent to claud(ere) to close, shut + -trum instrumental suffix; cf. cloister
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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claustrum in Medicine

claustrum

[klôstrəm]
n. pl. claus•tra (-trə)
  1. 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.
Related formsclaustral adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.