Figure 3From: Nitric oxide modulates the hyperalgesic response to mechanical noxious stimuli in sleep-deprived ratsNADPH-d-positive cell bodies in the dorsolateral periaqueductal gray matter of Control (A–left dlPAG; B–right dlPAG), PSD (C–leftdlPAG; D–right dlPAG), Control/L-NAME (E–left dlPAG; F–right dlPAG), PSD/L-NAME (G–left dlPAG; H–right dlPAG) animals. dlPAG = dorsolateral periaqueductal gray matter; Aq = Sylvius Aqueduct; bars = 50 μm ( B, D, F, H ).Back to article page