greater omentum vs gastrocolic omentum

greater omentum and gastrocolic omentum both are nouns.

Word	Noun	Adjective	Verb	Adverb
greater omentum	Yes	No	No	No
gastrocolic omentum	Yes	No	No	No

As nouns, greater omentum and gastrocolic omentum are synonyms defined as:

greater omentum and gastrocolic omentum: part of the peritoneum attached to the stomach and to the colon and covering the intestines

Other synonyms of greater omentum include caul.

greater omentum (noun)	gastrocolic omentum (noun)
part of the peritoneum attached to the stomach and to the colon and covering the intestines	part of the peritoneum attached to the stomach and to the colon and covering the intestines