[citation needed] The median umbilical ligament represents the remnant of the fetal urachus.
[1][2] It extends from the apex of the bladder to the umbilicus, on the deep surface of the anterior abdominal wall.
[2] The median umbilical ligament may be used as a landmark for surgeons who are performing laparoscopy, such as laparoscopic inguinal hernia repair.
The allantois forms a communication between the cloaca (terminal part of hindgut) and the amniotic sac during embryonic development.
Due to limited risks conservative therapy, while still being chosen rarely, has been gaining some traction in the last years.