Noun
a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus
Source: WordNetThe putamen and caudate nucleus are also collectively called the corpus striatum after their striped appearance. Source: Internet
The term neostriatum was forged by comparative anatomists comparing the subcortical structures between vertebrates, because it was thought to be a phylogenetically newer section of the corpus striatum. Source: Internet