substantiae nigrae

Variant of substantia nigra

substantia nigra definition

sub·stan·tia ni·gra (səb stan′s̸hē ə nī′grə)

a layer of dark cells in the midbrain that produce the neurotransmitter dopamine: Parkinson's disease is caused by an inadequate supply of dopamine

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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