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Related to omphalomesenteric duct: omphalocele, Meckel's diverticulum, urachus


a.1.(Anat.) Of or pertaining to the umbilicus and mesentery; omphalomesaraic; as, the omphalomesenteric arteries and veins of a fetus.
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In the foetus the omphalomesenteric duct connects the yolk sac with a loop of the primitive midgut.
38) The diverticulum occurs at the antimesenteric border of the distal ileum and is caused by incomplete obliteration of the omphalomesenteric duct.