This term is usually used to refer to the rather unpleasant congenital abnorma
lity of exstrophy of the bladder
. This disorder occurs when the bladder fails to complete its developement
, and the abdominal
wall is malformed. The posterior
surface of the bladder is thus exposed.
This, understandably leads to total urinary incontinence. In male infants it is also associated with undescended testes.