Omental (epiploic)foramen Liver in Situ The omental bursa communicates with the greater sac only through the (epiploic)omental foramen. The boundary: Anteriorly-the hepatoduodenal ligament, Posteriorly--IVC the right crus of diaphragm Superiorly-liver Inferiorly--1st part of the duodenumThe omental bursa communicates with the greater sac only through the (epiploic) omental foramen. Omental (epiploic)foramen The boundary: Anteriorly --- the hepatoduodenal ligament, Posteriorly---IVC & the right crus of diaphragm Superiorly--- liver Inferiorly --- 1st part of the duodenum