views updated

ureterosigmoidostomy (yoor-ee-ter-oh-sig-moid-ost-ŏmi) n. the operation of implanting the ureters into the sigmoid colon. This method of permanent urinary diversion may be used after cystectomy or to bypass a diseased or damaged bladder. The urine is passed together with the faeces, avoiding the need for an external opening and appliance to collect the urine.