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Definition of "substantia nigra" []

  • A layer of large pigmented nerve cells in the midbrain that produce dopamine and whose destruction is associated with Parkinson's disease. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "substantia nigra" in a sentence
  • "The enkephalins inhibit the firing of GABA (3) which originates in the substantia nigra A9 region (III)."
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