Figure 3.
Immunohistochemical results of ACh, VAChT, α7 and AChE in maxilla cells: A, ACh was expressed in mesenchymal stem cells, chondroblast, bone and cartilage matrix and bone marrow cells; B, VAChT was expressed in mesenchymal stem cells, chondroblast and cartilage; C, nAChRα7 was expressed in bone matrix of endochondral and bone marrow ossification, and bone marrow cells; D, AChE was expressed in mesenchymal stem cells, cartilage and bone marrow cells.