Final answer:
A Meckel's hernia contains a Meckel's diverticulum, which is an outpouching of the small intestine present at birth. It is a remnant of a connection between the small intestine and the yolk sac during fetal development.
Step-by-step explanation:
A Meckel's hernia contains a Meckel's diverticulum.
A Meckel's diverticulum is an outpouching of the small intestine that is present at birth.
It is a remnant of a connection between the small intestine and the yolk sac during fetal development.