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. Author manuscript; available in PMC: 2008 Sep 29.
Published in final edited form as: J Comp Neurol. 2006 Feb 20;494(6):863–875. doi: 10.1002/cne.20852

Figure 5.

Figure 5

Electron micrographs of the VTA from rats receiving FG injections into the PFC. VAChT-labeled axon terminals (VT) form asymmetric (white arrows) or symmetric synapses (black arrows) onto dendrites dually-labeled for FG and TH (FG+TH-d) or FG and GABA (FG+GABA-d) or singly-labeled for FG (FG-d). In B, sparse immunogold-silver labeling for TH is indicated by small arrows. Arrowheads indicate diffuse FG in the cytoplasm (B) or concentrated in a lysosome (D). Scale bar, 0.33 μm for A, B, D; 0.40 μm for C.