Assertion: urethra's part | /r/CapableOf | fuse into single tube
Facets:
Source sentences:
text: The caudal parts of the paramesonephric ducts fuse into a single tube, known as the uterovaginal primordium, before flowing into the dorsal aspect of the urogenital sinus at the sinus tubercle directly medial to the mesonephric ducts.