The outer part of the lentiform nucleus of the brain.
- ‘The dark appearance of the caudate nucleus and putamen is attributable to their content of blood vessels and neuronal cell bodies.’
- ‘The term corpus striatum refers to the caudate, putamen, and globus pallidus.’
- ‘The irregular empty spaces between the putamen and the caudate nucleus were occupied by fiber bundles of the internal capsule.’
- ‘Immediately above the anterior perforated substance, the pear-shaped head of the caudate nucleus is confluent with the putamen of the lentiform nucleus.’
- ‘The striatum is divided into two segments, the caudate putamen and the nucleus accumbens.’
Late 19th century: from Latin, literally shell remaining after pruning.