Definition of putamen in US English:


nounPlural putamina, Plural putamens

  • 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.’
    • ‘Immediately above the anterior perforated substance, the pear-shaped head of the caudate nucleus is confluent with the putamen of the lentiform nucleus.’
    • ‘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.’
    • ‘The striatum is divided into two segments, the caudate putamen and the nucleus accumbens.’


Late 19th century: from Latin, literally ‘shell remaining after pruning’.