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substantia nigra

[ suhb-stan-shee-uh nahy-gruh, nig-ruh ]

noun

, plural sub·stan·ti·ae ni·grae [suhb-, stan, -shee-ee , nahy, -gree, nig, -ree], substantia nigras.
  1. a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.

substantia nigra

/ səbˈstænʃə ˈnaɪɡrə /

noun

  1. a layer of grey matter in the brain that produces dopamine and contains pigmented nerve cells, loss of which has been associated with Parkinson's disease
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of substantia nigra1

1880–85; < New Latin: black substance
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Word History and Origins

Origin of substantia nigra1

C20: from Latin, literally: dark material

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