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Substantia nigra
(redirected from Substantia niagra)

    Also found in: Wikipedia 0.01 sec.
substantia ni·gra (ngr, ngr)
n.
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.
Substantia nigra
One of the movement control centers of the brain.
Mentioned in: Parkinson Disease
substantia nigra (sb·stanˑ·shē· nīˑ·gr),
n the portion of the mesencephalon (midbrain) whose degeneration is implicated in Parkinson's disease.
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Substantia nigra.
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