The ventral part of the cloaca after its separation from the rectum, giving rise to the lower part of the bladder in both sexes, to the prostatic portion of the male urethra, and to the urethra and vestibule in the female.
hog:0000735 urachus
hog:0001448 pelvic part urogenital sinushog:0001449 phallic part urogenital sinushog:0001450 vesical part urogenital sinusBFO:0000050 part of
hog:0000286