substantia nigra

[suhb-stan-shee-uh nahy-gruh, nig-ruh]
noun, plural substantiae nigrae [suhb-stan-shee-ee nahy-gree, nig-ree] , substantia nigras.
a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.

1880–85; < Neo-Latin: black substance Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To substantia-nigra
World English Dictionary
substantia nigra (səbˈstænʃə ˈnaɪɡrə)
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 & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

substantia nigra substantia ni·gra (nī'grə, nĭg'rə)
A layer of large pigmented nerve cells in the mesencephalon that produce dopamine and whose destruction is associated with Parkinson's disease. Also called nigra.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Copyright © 2014, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature