Figure 4From: Nitric oxide modulates the hyperalgesic response to mechanical noxious stimuli in sleep-deprived ratsNumber of NADPH-d-positive cell bodies in the dorsolateral periaqueductal gray (dlPAG) area of the Control, PSD, Control/L-NAME and PSD/L-NAME groups. The data are presented as the means ± S.E.M *p ≤ 0.05 different from the Control, Control/L-NAME and PSD/ L-NAME groups (one-way ANOVA).Back to article page