Uberon definition : A fibrous remnant of the allantoic stalk, a narrow fetal canal connecting the apex
of the urinary bladder with the umbilicus located in the space of Retzius, between
the transversalis fascia anteriorly and the peritoneum posteriorly. its lumen is normally
obliterated during development, transforming the urachus into a solid cord, a functionless
remnant that persists throughout life as the median umbilical ligament; failure of
complete lumen obliteration may result in distinct congenital urachal remnant anomalies[MP].;
A fibrous remnant of the allantoic stalk, a narrow fetal canal connecting the apex
of the urinary bladder with the umbilicus located in the space of Retzius, between
the transversalis fascia anteriorly and the peritoneum posteriorly. its lumen is normally
obliterated during development, transforming the urachus into a solid cord, a functionless
remnant that persists throughout life as the median umbilical ligament; failure of
complete lumen obliteration may result in distinct congenital urachal remnant anomalies[MP].