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Medical Definition of Vitellointestinal cyst
1. A small red sessile or pedunculated tumour at the umbilicus in an infant; it is due to the persistence of a segment of the vitellointestinal duct. Synonym: umbilical cyst. (05 Mar 2000)
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1. A small red sessile or pedunculated tumour at the umbilicus in an infant; it is due to the persistence of a segment of the vitellointestinal duct. Synonym: umbilical cyst. (05 Mar 2000)