corpus striatum

corpus stri·a·tum

noun \-ˌstrī-ˈāt-əm\

plural corpora stri·a·ta \-ˈāt-ə\

Definition of CORPUS STRIATUM

: either of a pair of masses of nerve tissue which lie beneath and external to the anterior cornua of the lateral ventricles of the brain and form part of their floor and each of which contains a caudate nucleus and a lentiform nucleus separated by sheets of white matter to give the mass a striated appearance in section