|the thalamus together with other closely related masses of grey matter, situated near the base of the brain|
|Main Entry:||basal ganglia|
|Part of Speech:||n|
|Definition:||the large masses of gray matter at the base of the brain which, if damaged, would impair motor abilities|
basal ganglia pl.n.
The caudate and lentiform nuclei of the brain and the cell groups associated with them, considered as a group.
All of the large masses of gray matter at the base of the cerebral hemisphere. No longer in technical use.