[21] The allantois develops into a fibrous cord, the urachus, which runs from the fetal bladder to the umbilicus. This urachus can remain patent in the neonate with urine secreted from the umbilicus.

A urachal cyst is a sac of tissue and fluid between the bladder and the belly button (umbilicus). The cyst forms in the remnants of the urachus, a structure normally present in a fetus that usually ...

He has stage 4 urachal cancer, which arises in the urachus or its remnants. The urachus connects the umbilical cord to the bladder in a foetus, and usually closes before birth. While shocked ...

He has stage 4 urachal cancer, which arises in the urachus or its remnants. The urachus connects the umbilical cord to the bladder in a foetus, and usually closes before birth. While shocked ...