Assertion: abdomen | /r/HasProperty | opened
Facets:
value: anteriorly
type: MANNER
Source sentences:
text: Once the abdominal cavity has been opened, the colon and rectum are isolated and removed.
text: The abdominal cavity is the open space surrounded by the vertebrae, abdominal muscles, diaphragm, and pelvic floor.
text: It is the first structure observed when the abdominal cavity is opened anteriorly.