Peritoneum edit this page History Discuss0 35,831pages on this wiki The peritoneum was the serous membrane that formed the lining of the abdominal cavity or the coelom. In 2369, Mullibok's peritoneum was punctured by a phaser beam during a scuffle with a Bajoran Security officer. (DS9: "Progress") External linkEdit Peritoneum at Wikipedia Categories: Anatomy Add category Cancel Save