Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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noun
A brain structure located in the mesencephalon (midbrain) that plays an important role in reward, addiction, and movement, damage to which occurs in Parkinson's and Parkinsonian patients.
Definition source: English Wiktionary via Wiktextract
Topics: anatomy, medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
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
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: nucleus niger, locus niger
Antonyms: none provided
Broader terms: neural structure
History
Scientific Latin, from substantia (“substance”) + nigra (“black”).
Across languages
12 source translations are retained for this English entry.
