claustrum
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
claustrum
[klaws´trum] (pl. claus´tra) (L.)the thin layer of gray matter lateral to the external capsule of the lentiform nucleus, separating it from the white matter of the insula.
claus·trum
, pl.claus·tra
(klaws'trŭm, klaws'tră),1. One of several anatomic structures bearing a resemblance to a barrier.
2. A thin, vertically placed lamina of gray matter lying close to the putamen, from which it is separated by the external capsule. Claustrum consists of two parts: 1) an insular part and 2) a temporal part between putamen and the temporal lobe. Cells of the claustrum have reciprocal connections with sensory areas of the cerebral cortex.
[L. barrier]
claustrum
/claus·trum/ (klaws´trum) pl. claus´tra [L.] the thin layer of gray matter lateral to the external capsule, separating it from the white matter of the insula.claustrum
(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.
claus′tral adj.
claustrum
[klôs′trəm] pl. claustra
Etymology: L, a closing
1 a barrier, as a membrane that partially closes an aperture.
2 a thin sheet of gray matter, composed chiefly of spindle cells, situated lateral to the external capsule of the brain and separating the internal capsule from white matter of the insula. Also called claustrum of insula.
claus·trum
, pl. claustra (klaws'trŭm, -tră) [TA]1. One of several anatomic structures bearing a resemblance to a barrier.
2. [TA] A thin, vertically placed lamina of gray matter lying close to the putamen, from which it is separated by the external capsule. Cells of the claustrum have reciprocal connections with sensory areas of the cerebral cortex.
claustrum
Any structure resembling a barrier.claus·trum
, pl. claustra (klaws'trŭm, -tră) [TA]One of several anatomic structures bearing a resemblance to a barrier.
claustrum
pl. claustra [L.] the thin layer of gray matter lateral to the external capsule of the brain, separating it from the white matter of the insula.