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 Definitions of substantia nigra  [ʌbˈstæn ʃiˌi ˈnaɪ gri, ˈnɪg ri]  

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Definition of 'substantia nigra' Random House Webster's College Dictionary 

1. (n.) substantia nigra
a deeply pigmented area of the midbrain containing dopamine-producing nerve cells.

Etymology:  (1880–85; < NL: black substance)

Definition of 'substantia nigra' Princeton's WordNet 

1. (noun) substantia nigra, nucleus niger, locus niger
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
Definition of 'substantia nigra' U.S. National Library of Medicine 

1.  substantia nigra
The black substance in the ventral midbrain or the nucleus of cells containing the black substance. These cells produce DOPAMINE, an important neurotransmitter in regulation of the sensorimotor system and mood. The dark colored MELANIN is a by-product of dopamine synthesis.

'substantia nigra' - Nearby Entries  

substantia nigra  substantiality  substantially  substantialness  substantiate  substantiated  substantiating  



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