umbilical fascia umbilical fascia the umbilical fascia (or umbilicovesical fascia) is a thin fascial layer that extends between the medial umbilical ligaments from the umbilicus, and extends inferiorly, becoming continuous with the visceral fascia enclosing the urinary bladder. umbilical fasciathe peritoneum of the male pelvis. medial umbilical ligament, which delineates the umbilical fascia, is labeled at bottom left.)identifiersta98a04.5.02.014ta22393fma76759anatomical terminology