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. Author manuscript; available in PMC: 2017 Aug 25.
Published in final edited form as: Neuroscience. 2016 May 30;330:267–290. doi: 10.1016/j.neuroscience.2016.05.052

Figure 8.

Figure 8

IM clusters in the rhesus monkey amygdala contain mostly small/medium DARPP-32+ neurons. A–F, Increasing magnifications of a coronal section of the amygdala immunolabeled for DARPP-32 (brown DAB precipitate) and counterstained with Nissl to show cytoarchitectonic features. Dotted outline in A shows approximate borders of the IM neuropil. Rectangles in A are magnified in B and C. Asterisks indicate position of matching blood vessels. Red arrows point to IM neuron clusters, shown at higher magnifications in B–C; yellow and orange arrows point to some DARPP-32+ neurons seen outside the clusters within the IM neuropil and are shown at higher magnification in D and E. The blue arrow in C points to a cluster of IM neurons that is magnified in F. The continuity of the IM neuropil is highlighted by a light and dark brown label, due to staining of DARPP-32+ neurons and their processes within IM.