nigrostriatal

adjective
ni·​gro·​stri·​a·​tal | \ ˌnī-grō-strī-ˈāt-ᵊl How to pronounce nigrostriatal (audio) \

Medical Definition of nigrostriatal

: of, relating to, or joining the corpus striatum and the substantia nigra the nigrostriatal dopamine pathway degenerates in Parkinson's disease— S. H. Snyder et al