Definition of peritoneum in English:


Syllabification: per·i·to·ne·um
Pronunciation: /ˌperitnˈēəm

noun (plural peritoneums or peritonea /-ˈnēə/)

The serous membrane lining the cavity of the abdomen and covering the abdominal organs.
More example sentences
  • The diaphragm is then bluntly dissected away from the parietal peritoneum, leaving the peritoneum behind.
  • There was no extension into the endometrial cavity, nor into the pelvic peritoneum.
  • This treatment uses the lining of the peritoneum to act as the filter.


late Middle English: via late Latin from Greek peritonaion, from peritonos 'stretched around', from peri- 'around' + -tonos 'stretched'.



Pronunciation: /-ˈēəl/
More example sentences
  • The concern is that additional fluid would cause further distension and leakage of bowel contents into the peritoneal cavity.
  • A peritoneal dialysis catheter is placed under sterile conditions.
  • If no cells are present in this peritoneal mucous, the prognosis is excellent.

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