1. Term denoting relationship of the midgut to the yolk sac. As the head and tail folds of the embryo continue to form, this relationship is diminished and is represented by a narrow yolk stalk or vitelline duct. 2. Relating to the vitelline duct.
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om·pha·lo·mes·en·ter·ic .äm(p)-fə-lō-.mez-ən-'ter-ik, -.mes- adj of or relating to the navel and mesentery <\omphalomesenteric vessels>
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om·pha·lo·mes·en·ter·ic (om″fə-lo-mes″ən-terґik) pertaining to the umbilicus and mesentery.Medical dictionary. 2011.