nNOS expression in rat penile dorsal nerve.

<p>(A) Representative photomicrographs of immunofluorescent-stained dorsal nerve areas showing nNOS-positive (red) and negative (green) nerve fibers. Scale bar represents 50 μm. (B) nNOS expression as percentage of dorsal nerve area. Each column represents the mean ± SEM of 8 rats. *<i>P</i><0.05 vs. untreated +CX group. ^#<i>P</i><0.05, TNF-α Ab-treated vs. untreated +AP group.