Research Article

Involvement of the Nonneuronal Cholinergic System in Bone Remodeling in Rat Midpalatal Suture after Rapid Maxillary Expansion

Figure 3

Expression changes of Ach during the expansion of rat midpalatal suture. (a) ACh expression in the rat maxilla in control group; (b) enhanced ACh expression in midpalatal suture after 1 d expansion; (c) ACh expression in midpalatal suture after 3 d expansion; (d) ACh expression in midpalatal suture after 7 d expansion.
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