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. 2014 Oct 24;9(10):e109636. doi: 10.1371/journal.pone.0109636

Figure 2. A11 TH positive neurons project to the spinal cord.

Figure 2

Example of retrograde labelling in the A11 caudal area following FluoroGold (FG) injections into the lumbar spinal cord between lumbar vertebral segments L4 and L5. Representative double-fluorescent immunostaining of tyrosine hydroxylase (TH; green) and FluoroGold (FG; magenta). The white arrows point to double-labeled cells. Most of the TH positive cells also contain FG (arrows), one cell shows labelling for TH but not FG. Several cells that contain FG but not TH are also seen (not co-localizing). Scale bar: 50 µm.