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. Author manuscript; available in PMC: 2012 Apr 19.
Published in final edited form as: Exp Neurol. 2011 Dec 29;234(1):112–126. doi: 10.1016/j.expneurol.2011.12.034

Fig. 3.

Fig. 3

CeA neurons retrogradely labeled after FG administration in the BNST express μOR(A). A somatodendritic profile (μOR + FG-s) is labeled for FG and μOR. A nucleus (nuc) is seen in the cell body, along with multiple mitochondria (m) that also extend into the proximal dendrite. Multiple immunogold-silver particles for NR1 (arrows) are present in intracellular areas of the proximal dendritic process. This profile is also contacted by unlabeled axon terminals (ut).(B). A small dendritic profile (μOR + FG-d) expresses labeling for μOR and FG. A gold–silver particle (arrow) is present near the plasma membrane beneath the post-synaptic density of an asymmetric type synaptic junction (filled arrow head) formed with an unlabeled axon terminal (ut). Scale bars: 1 µm (A), 0.5 µm (B).