Assertion: ureter | /r/HasAspect | separate openings
Facets:
value: into the urogenital sinus
type: LOCATION
Source sentences:
text: During differentiation of the bladder and urethra, this segment widens as it is incorporated into the developing bladder base and proximal urethra, so that by the end of the 6th gestational week, the ureter and the remaining mesonephric duct have separate openings into the urogenital sinus.