123108.fig.002a
(a)
123108.fig.002b
(b)
Figure 2: Nuclei in the tails of Cryptocotyle lingua and Himasthla elongata cercariae. Arrow—localization of electrode, scale bar = 20 μm. (a) Nuclei in C. lingua cercaria, inset arrows—candidate spiking neurons. (b) Nuclei in H. elongata cercaria.