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Examples of immunolabeling to reveal tyrosine hydroxylase in the basal ganglia of a normal monkey (A) and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-treated monkey (B; monkey C in this study). In both cases, a coronal section, corresponding to the anterior commissure (AC) 7.7-mm plane in the macaque atlas by Lanciego and Vazquez (2012), is shown. CN, caudate nucleus; Put, putamen; SN, substantia nigra.
