Chorea occure due to damage-
Ans. is 'd' i.e., Striatum DiseasePart of Basal ganglia involvedParkinsonismHuntington choreaBallismAthetosisSubstantia nigra pars compacta - Nigrastriatal pathwayStriatum (mainly caudate nucleus; may be putamen)Subthalamic nucleiGlobus pallidus (mainly)Q and Subthalamic nucleus.
Subthalamus
Globus pallidus
Substantia nigra
Striatum
Nervous System