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Substantia nigra

Synonym(s)

  • SN-substantia nigra

Definition(s)

A layer of deeply pigmented gray matter situated in the midbrain and containing the cell bodies of a tract of dopamine-producing nerve cells whose secretion tends to be deficient in Parkinson's disease.

Definition from: Merriam-Webster's Medical DictionaryThis link leads to a site outside Genetics Home Reference. by Merriam-Webster Inc.

See also Understanding Medical Terminology.

 
Published: December 22, 2014