Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun substantia_nigra
1 sense of substantia nigra
Sense 1
substantia nigra, nucleus niger, locus niger -- (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)
=> neural structure -- (a structure that is part of the nervous system)