Figure 3
Pathological examination of anastomotic tissue. A1 and A2, Collagen was deposited densely in the anastomosis, with better repair of the mucous layer in groups A1 and A2. B, Collagen was deposited densely in the anastomosis of group B animals. C, Reduced and irregular collagen deposition was observed in the anastomosis of group C animals. D, Reduced and irregular collagen deposition and inflammatory cells infiltration was observed in the anastomosis of group D animals.