urachus

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Related to patent urachus: Urachal cyst

urachus

[′yu̇r·ə·kəs]
(embryology)
A cord or tube of epithelium connecting the apex of the urinary bladder with the allantois; its connective tissue forms the median umbilical ligament.
References in periodicals archive ?
Large pseudocyst of the umbilical cord associated with patent urachus.
The patent urachus in continuity with its associated allantoic cyst (Figure 1D).
Abnormalities of the urachus can present as patent urachus where there is a communication between the bladder and umbilicus.