lesser peritoneal cavity vs bursa omentalis

lesser peritoneal cavity and bursa omentalis both are nouns.

Word	Noun	Adjective	Verb	Adverb
lesser peritoneal cavity	Yes	No	No	No
bursa omentalis	Yes	No	No	No

As nouns, lesser peritoneal cavity and bursa omentalis are synonyms defined as:

lesser peritoneal cavity and bursa omentalis: an isolated part of the peritoneal cavity that is dorsal to the stomach

Other synonyms of lesser peritoneal cavity include omental bursa.

lesser peritoneal cavity (noun)	bursa omentalis (noun)
an isolated part of the peritoneal cavity that is dorsal to the stomach	an isolated part of the peritoneal cavity that is dorsal to the stomach