Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine
  • n. A byproduct of synthetic heroin, or MPPP, which causes Parkinsonian symptoms in users.
  • n. A neurotoxin which degrades into MPP+ after crossing the blood brain barrier, which causes a degredation of the dopaminergic neurons within the substantia nigra.

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