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Nigrostriatal pathway
A pathway in the brain that connects the substantia nigra with the striatum. The substantia nigra is a dark area in the lower part of the brain that contains dopamine, a chemical messenger that is important for movement. The striatum is an area in the lower part of the brain that is important for movement. The nigrostriatal pathway was given its name because it connects these two areas. That is, "nigro" refers to the substantia nigra, and "striatal" refers to the striatum. Dopamine travels along the nigrostriatal pathway as well as other pathways known as the mesocortical, mesolimbic, and tuberoinfundibular pathways. Nigrostriatal comes from the Latin word "niger" meaning "black," (because the substantia nigra appears black) and the Latin word "stria" meaning "striped"(because the striatum appears striped).

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