peritoneal cavity

English Thesaurus

1. the interior of the peritoneum; a potential space between layers of the peritoneum (noun.body)

hypernym	:	bodily cavity, cavity, cavum,
definition	:	(anatomy) a natural hollow or sinus within the body (noun.body)

part holonym	:	bursa omentalis, lesser peritoneal cavity, omental bursa,
definition	:	an isolated part of the peritoneal cavity that is dorsal to the stomach (noun.body)