substantia nigra

Noun substantia nigra has 1 sense

• substantia nigra(n = noun.body) locus niger, nucleus 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;
is a kind of neural structure
is a part of mesencephalon, midbrain