 locus_niger |
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| 1. | [ noun ] (anatomy,zoology) a layer of deeply pigmented gray matter in the midbrain; associated with the striate body; is involved in metabolic disturbances associated with Parkinson's disease and with Huntington's disease | |
| Synonyms: | substantia_nigra nucleus_niger | |
| Related terms: | neural_structure midbrain | |
