Bacterial translocation is defined as the passage of viable indigenous bacteria from the intestinal tract through the epithelial mucosa to the mesenteric lymph nodes,and then to systemic circulation .一般情况下正常微生物于健康人体中特定部位定植。正常微生物群是指一定宿主的一定部位的微生物群,在其特定部位定植的 ......