Claustrum

[klɔ:strәm]

(noun.) a layer of grey matter in the brain adjacent to the lenticular nucleus.

Inputed by Katherine--From WordNet

(n.) A thin lamina of gray matter in each cerebral hemisphere of the brain of man.

Edited by Laurence

n. a thin layer of gray matter in the substance of the hemispheres of the brain:—pl. Claus′tra.

Checked by Candy