The Basal Ganglia
Two schematic drawings of coronal sections of human brain labelling the basal ganglia. Blue=striatum, green=globus pallidus (external and internal segments), yellow=subthalamic nucleus, red=substantia nigra (pars reticulata and pars compacta). The right section is the deeper one, closer to the back of the head.
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"Basal-ganglia-coronal-sections-large."
http://en.wikipedia.org/wiki/File:Basal-ganglia-coronal-sections-large.png
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