Abstract
The omphaiomesenteric duct (OMD) or vitelline duct is the embryonic communication between the yolk sac and the developing midgut. From the 5th to the 7th weeks of embryogenesis, the midgut, herniated into the umbilical cord, elongates and the omphaiomesenteric duct closes. By the 10th week, the midgut returns to the abdominal cavity and the OMD becomes a thin fibrous band which eventually disintegrates and is absorbed. Deficient atrophy of the OMD results in a spectrum of malformations: umbilicoileal fistula, umbilical sinus, omphaiomesenteric cyst, fibrous cord connecting ileum to umbilicus, Meckel diverticulum.
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Veyrac, C. (2008). Abnormalities of the Omphalomesenteric Duct. Inguinal Hernias. In: Gastrointestinal Tract Sonography in Fetuses and Children. Medical Radiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68917-1_9
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DOI: https://doi.org/10.1007/978-3-540-68917-1_9
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