619650.fig.005a
(a)
619650.fig.005b
(b)
619650.fig.005c
(c)
Figure 5: Representative photograph showing the co-localization of serotonin and Fluorogold in the nucleus raphe magnus. (a) The 5-HT-immunoreactive neurons; (b) Fluorogold-labeled neurons projecting to the spinal cord; (c) Merged graphs of (a) and (b). Arrows indicate double-labeled 5-HT/Fluorogold neurons (yellow).