There is a case described of a man who evidently suffered from a patent urachus, as the urine passed in jets as if controlled by a sphincter from his umbilicus.

Littre mentions a patent urachus in a boy of eighteen.

Congenital dilatation of the ureters is occasionally seen in the new-born.

Shattuck describes a male fetus showing reptilian characters in the sexual ducts.

There was ectopia vesicae and prolapse of the intestine at the umbilicus; the right kidney was elongated; the right vas deferens opened into the ureter.