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

Figure 2

Ach expression in the rat maxilla. (a) Area partition of midpalatal shelf after immunohistochemical staining; (b) ACh expression in the cytoplasm of chondrocytes and the cartilage matrix in midpalatal suture; (c) the vesicle release pattern of ACh recognized as the browny round rots in the bone tissues; (d) the vesicle release pattern of ACh in compact maxilla beside the alveolar bone.

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