title: Umbilical folds
text: # Umbilical folds
  
  Related to the urinary bladder, anteriorly there are the following folds:
  
  * one median umbilical fold on the median umbilical ligament (which in turn, contains the urachus)
  * two medial umbilical folds on the occluded umbilical artery
  * two lateral umbilical folds on the inferior epigastric vessels
  