lateral umbilical fold

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lat·er·al um·bil·i·cal fold

the ridge on the peritoneal surface of the anterior abdominal wall formed by the inferior epigastric vessels.

lateral umbilical fold

a fold in the peritoneum produced by a slight protrusion of the inferior epigastric artery and the interfoveolar ligament. The lateral umbilical fold is about 3 cm lateral to the middle umbilical fold. Also called plica umbilicalis lateralis.
References in periodicals archive ?
Intra-operative findings confirmed extensive haematoma within the lateral umbilical fold, tracking retroperitoneally to the contained rupture of the right internal iliac artery aneurysm.

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