peritoneum
noun anatomy specialized uk/ˌper.ɪ.təˈniː.əm/ us/ˌper.ɪ.təˈniː.əm/ peritoneums or peritonea
腹膜
a double layer of tissue that lines the walls of the abdomen and pelvis and surrounds the organs they contain
The inner surface of the peritoneum is slippery and allows the intestines to move against the wall of the abdomen. 腹膜内侧是滑的，可以让肠道靠着腹壁蠕动。