Definition : A congenital abnormality characterized by the outpouching or sac formation in the
ileum. It is a remnant of the embryonic yolk sac in which the vitelline duct failed
to close. [MeSH];
A congenital abnormality characterized by the outpouching or sac formation in the
ileum. It is a remnant of the embryonic yolk sac in which the vitelline duct failed
to close. [MeSH]