Definitions for "Substantia nigra"
A region of the basal ganglia that is rich in dopamine-containing neurones. Its name, literally meaning black substance, comes from the black appearance seen post-mortem.
Group of deeply pigmented neurones in mesencephalon; part of basal ganglia.
a midbrain structure that promotes smooth voluntary body movements. (81)
Tegmental nuclei involved in the sensorimotor system.