Vitellointestinal duct/Omphalomesenteric duct is the conncetion between yolk sac and developing gut.
Usually it obliterates and disappears, but the persistence of this duct can lead to following anomalies.
- Umbilical fecal fistula-Due to persistence of entire Vitello intestinal duct.
- Umbilical sinus
- Meckels diverticulum
- Umbilical cyst/Vitelline cyst
- Fibrous band-Between ileum and umbilicus, may lead to intestinal obstruction.
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