urachus

A patent urachus needs to be surgically removed.

It is a shrivelled piece of tissue that represents the remnant of the embryonic urachus.

Persistent urachus at moorabbinvet.com.

It should not be confused with the median umbilical ligament, a different structure that represents the remnant of the embryonic urachus.

It is the most common type of bladder cancer and cancer of the ureter, urethra, and urachus.

Failure for the lumen of the urachus to be filled in leaves a patent (open) urachus.

Between the 5th and 7th week of development, the allantois will become the urachus, a duct between the bladder and the yolk sac.

This is a type of cyst occurring in a persistent portion of the urachus, presenting as an extraperitoneal mass in the umbilical region.

The fetal bladder is connected to the allantois via the urachus, which removes nitrogenous waste from the fetal bladder.

The disease arises from malignant transformation of rests of enteric epithelium in the urachus an embryonic structure located between dome of the bladder and the umbilicus.

The urachus is a fibrous remnant of the allantois, a canal that drains the urinary bladder of the fetus that joins and runs within the umbilical cord.

The remainder of the vesico-urethral portion forms the body of the bladder and part of the prostatic urethra; its apex is prolonged to the umbilicus as a narrow canal, the urachus, which later is obliterated and becomes the median umbilical ligament of the adult.