1-methyl-4-phenylpyridinium

  1. Noun.  (organic compound) MPP+, the active metabolite of MPTP.
  2. Noun.  (neurotoxin) A neurotoxin which cannot cross the blood brain barrier, but once in contact it can destroy the dopaminergic neurons of the substantia nigra.

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This entry was last updated on RefTopia from its source on 3/20/2012.