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. Author manuscript; available in PMC: 2011 Nov 11.
Published in final edited form as: Brain Res. 2010 Sep 15;1360:77–88. doi: 10.1016/j.brainres.2010.08.102

Figure 1.

Figure 1

Fluorescent images showing microinjection sites of the retrograde tracer in vlPAG (A, Bregma −8.52 mm) and ARC (B, Bregma −3.12 mm), respectively. Arrows in the Panels A and B indicate the injection sites. Scale bars in panels A and B represent 500 µm. AQ, aqueduct; V3, third ventricle.