The researchers, examining tissue from uninfected human appendices removed in kidney-pancreas transplants, found biofilms on the epithelial lining of the appendix, as well.

• 研究人员从胰肾联合移植者身上取下未被感染的阑尾，并对其组织进行检查发现，阑尾的上皮内壁也有生物薄膜的存在。