nounplural noun claustra
AnatomyA thin layer of grey matter in each cerebral hemisphere between the lentiform nucleus and the insula.
- ‘On each side, the ventral aspect of the claustrum and the subdivisions of the lentiform nucleus (putamen, medial and lateral parts of globus pallidus) are seen lateral to the optic tracts.’
Origin
Mid 19th century Latin, literally ‘lock, enclosed place’.
Are You Learning English? Here Are Our Top English Tips