Definition of corpus striatum in US English:

corpus striatum

nounPlural corpora striata

  • Part of the basal ganglia of the brain, comprising the caudate and lentiform nuclei.

    • ‘Atrophy is most marked in the corpus striatum of the basal ganglia, including the caudate and putamen.’
    • ‘Bridges of gray matter pass across the internal capsule, producing the striped appearance from which the corpus striatum derives its name.’
    • ‘These are important striate branches of the middle cerebral artery, destined for the corpus striatum, internal capsule and associated structures.’
    • ‘Another mass of grey matter behind the corpus striatum is the thalamus, which lies in the walls of the third ventricle.’
    • ‘Huntington's disease is a fatal hereditary disorder, marked by death of nerve cells chiefly in the corpus striatum, a part of the brain that helps control movement and thought.’


From corpus and Latin striatum, neuter of striatus ‘grooved’.


corpus striatum

/ˌkôrpəs strīˈātəm/