English

Noun

substantia nigra ‎(plural substantiae nigrae or substantia nigras)

1. 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.

Abbreviations

• SN

Meronyms

• (midbrain brain structure): pars compacta, pars reticulata

Translations