Noun: 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
"Degeneration of dopaminergic neurons in the locus niger is a hallmark of Parkinson's disease";
- substantia nigra, nucleus niger
Type of: neural structure
Part of: mesencephalon, midbrain