Definition of corpus striatum in US English:

corpus striatum

noun

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

    • ‘These are important striate branches of the middle cerebral artery, destined for the corpus striatum, internal capsule and associated structures.’
    • ‘Atrophy is most marked in the corpus striatum of the basal ganglia, including the caudate and putamen.’
    • ‘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.’
    • ‘Bridges of gray matter pass across the internal capsule, producing the striped appearance from which the corpus striatum derives its name.’

Origin

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

Pronunciation

corpus striatum

/ˌkôrpəs strīˈātəm/