Omphalomesenteric duct

Last revised by Joshua Yap on 8 Jan 2023

The omphalomesenteric duct, also called the vitelline or vitellointestinal duct, is a communicating tract between the embryonic yolk sac and the primitive midgut.

This duct is obliterated at around the 5th to 8th week of gestation. Approximately 2% of people have a failure of involution.

Related pathology

Omphalomesenteric duct anomalies include:

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