Substantia nigra
WordNet
noun
(1) A layer of deeply pigmented grey matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson's disease and with Huntington's disease
WiktionaryText
Noun
- The name given to the dopaminergic pars in the tegmentum, which is naturally colored black.
- Another part is the pars reticulata GABAergic close to pallidum
- The nucleus which is damaged in the brain of Parkinson's and Parkinsonian patients.