Assertion: ureter's orifice | /r/CapableOf | remain open
Facets:
Source sentences:
text: The orifice of the invagination remains open, and undergoes enlargement and modification to form the abdominal ostium of the fallopian tube.
text: The orifice of the invagination remains open, and undergoes enlargement and modification to form the abdominal ostium of the fallopian tube.