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Fluorescence of an R2 neuron after DAF-DA exposure. (a-c) Confocal fluorescence images of a R2 neuron at different depths of Z-axis scans showing the fluorescence localized on the R2 surface. Scale bar = 50 μm. (d, e) Scanning electron microscopy of a R2 neuron surface at different magnification levels. Scale bar in (d) = 50 μm. Scale bar in (e) = 12.5 μm.
