A Meckel 's diverticulum is a slight bulge in the small intestine present at birth and a vestigial remnant of the omphalomesenteric duct ( also called the vitelline duct or yolk stalk ) .
A Meckel 's diverticulum is a true congenital diverticulum .
A Meckel 's diverticulum , a true congenital diverticulum , is a slight bulge in the small intestine present at birth and a vestigial remnant of the omphalomesenteric duct ( also called the vitelline duct or yolk stalk ) .