MeSH 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.;
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.