Complex structure at the base of the brain consisting of several groups of neurons, the caudate nucleus, the putamen, the globus pallidus, and the substantia nigra.
Note: These ganglia are involved in various functions, including voluntary motor movements and involuntary movements, such as tremors, bruxism (grinding the teeth), athetosis (involuntary writhing movements), and chorea (involuntary jerky movements).
Source:
PAC, 2016, 88, 713. 'Glossary of terms used in developmental and reproductive toxicology (IUPAC Recommendations 2016)' on page 729 (https://doi.org/10.1515/pac-2015-1202)