Surgical creation of an opening (stoma) in the URINARY BLADDER for drainage.

A flat, flexible strip of material used to cover or fasten together damaged tissue.

An abnormal passage in the URINARY BLADDER or between the bladder and any surrounding organ.

A system of artificial or natural drains, generally used for the disposal of liquid wastes.

Passage of a CATHETER into the URINARY BLADDER or kidney.

An abnormal passage in any part of the URINARY TRACT between itself or with other organs.