. . . . . . "substantia nigra"@en-us . . . "substantia nigra"^^ . "nucleus niger"@en-us . . . "0"^^ . "locus niger"@en-us . . . "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"@en-us . "05500006-n"^^ . "105500006"^^ . "0"^^ . . . "105184265"@en-us .