<prompt> The remnant of an omphalomesenteric duct isMedian umbilical ligamentMeckels diveiculumMedian umbilical foldOmphalocele  <response>: The omphalomesenteric duct is an embryonic structure which connects the yolk sac to the midgut, it gets obliterated between the 5thand 9th week of gestation, failure of which result in remnants like Meckels diveiculum or cyst or fistula The median umbilical ligament is a remnant of the urachus The medial umbilical ligaments are a remnant of the umbilical aeries Ref: Grays 39ep-1289 