Search Result：substantia nigra
substantia nigra 
(TTS Sound)
(TTS Sound)Overview of noun substantia_nigra
The noun substantia nigra has 1 sense
- 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)