-ˌstrīˈād.əm noun
( plural corpora stria·ta -d.ə)
Etymology: New Latin, literally, striated body
: either of a pair of masses of nervous tissue beneath and external to the anterior cornua of the lateral ventricles of the brain and forming part of their floor, each mass containing two large nuclei of gray matter that are separated by sheets of white matter to give the mass a striated appearance in section