substantia nigra

substantia ni·gra

 (nī′grə, nĭg′rə)

n.

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

---

[New Latin : Latin substantia, substance + Latin nigra, feminine of niger, black.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

substantia nigra

(səbˈstænʃə ˈnaɪɡrə)

n

(Anatomy) 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

[C20: from Latin, literally: dark material]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

sub•stan•ti•a ni•gra

(səbˈstæn ʃi ə ˈnaɪ grə, ˈnɪg rə)

n., pl. sub•stan•ti•ae ni•grae (sʌbˈstæn ʃiˌi ˈnaɪ gri, ˈnɪg ri) substantia ni•gras.

a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.

[1880–85; < New Latin: black substance]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

substantia nigra - 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 locus niger, nucleus niger neural structure - a structure that is part of the nervous system mesencephalon, midbrain - the middle portion of the brain

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.