English Explanatory Dictionary

substantia nigra

English dictionary entry

Meanings

noun
  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.

Word forms

substantia nigra substantiae nigrae substantia nigras

Etymology

Scientific Latin, from substantia (“substance”) + nigra (“black”).

Synonyms

SN

Derived words

nigral
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