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. Author manuscript; available in PMC: 2016 Jun 25.
Published in final edited form as: Neuroscience. 2015 Apr 9;297:211–218. doi: 10.1016/j.neuroscience.2015.03.070

Figure 5.

Figure 5

Atropine induces c-Fos expression in the vPAG dopaminergic neurons. Representative photomicrographs of c-Fos (black) and TH (brown) double immunostaining in the vPAG of vehicle- (a and b) and 100mg/kg atropine (c and d) administered rats (b and d: high-magnification views of the rectangular areas marked in “a”, and “c” respectively). Arrows indicate the c-Fos and TH double stained cells. Scale bars: a and c, 200 μm; b and d, 50 μm. Aq: aqueduct; TH: tyrosine hydroxylase; vPAG: ventral periaqueductal gray.