medial umbilical fold

me·di·al um·bil·i·cal fold

a fold of peritoneum on the lower part of the anterior abdominal wall that covers the obliterated umbilical artery on either side of the urachus.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
Immediately lateral is the medial umbilical fold, which is the peritoneal covering of the obliterated umbilical artery, a branch of the superior vesical artery that comes off the anterior trunk of the internal iliac artery.
MRI showed a solid abdominal tumor (6 x 5.5 x 3 cm) composed of nodular masses grouped in the UL region with involvement of the medial umbilical folds that were thickened throughout the iliac vessels region (Figure 2(e)).
(e) MRI onT2-weighted sequence confirms the presence of several nodular masses grouped with thickening of both medial umbilical folds, the right to 4 mm proximal to the umbilicus and 8 mm adjacent to the iliac vessels paravesical region portion.