Assertion: ampulla's muscle | /r/HasProperty | thin sheet of muscle fibers
Facets:
value: from the posterior abdominal wall
type: LOCATION
Source sentences:
text: The suspensory muscle of the duodenum (also known as the ligament of Trietz) is a thin sheet of muscle fibers derived from the right crus of the diaphragm that suspends the fourth part of the duodenum (the duodenojejunal flexure or junction) from the posterior abdominal wall.