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Related to claustrum: caudate nucleus, insula, internal capsule


 (klô′strəm, klou′-)
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.]


(Anatomy) a thin layer of grey matter in the brain
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
References in periodicals archive ?
For these reasons, Seth cautions that the brains of other people might not respond similarly to electrode stimulation near the claustrum.
When the electrode near the region known as the claustrum was stimulated and the patient froze, Koubeissi initially thought the electric charge had caused "aphasia" -- turning off the language processing portion of the brain.
Main Entry: clois * ter Word Origin: Middle English (in the sense 'place of religious seclusion'): from Old French cloistre, from Latin claustrum, clostrum 'lock, enclosed place', from claudere, 'to close'.
The reduced size of the pons, claustrum, perisylvian area and the deep cerebral gray matter in MSA may be responsible for these responses.
Le claustrum se deconnecte du castrum en le purifiant de la presence des laics et les chanoines sont en situation de repli sur eux-memes.
The most abundant and consistent location for PrPres staining was found in the frontal cortex and in the fiber tracts of the claustrum (Figure 3, panel I).