Periodontal Ligament Fibroblasts(人牙周韌帶成纖維細胞)are the predominant cell types found in periodontal ligament and play an important role in development, function.
Colonic epithelium(人結腸上皮細胞) cover the colonic mucosal surface and maintain the gut homeostasis by harboring the commensal bacteria in the outer mucus layer.