striatum stri·a·tum (strī-ā'təm)
n. pl. stri·a·ta (-tə)
A collective term for the caudate nucleus, the putamen, and the globus pallidus, which form the corpus striatum.
|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 [syn: corpus striatum]|