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