Question: Where can the ureter be found within the abdominal cavity?
Answer: Locate the common iliac artery bifurcation. The ureter is usually on top (above) the bifurcation. Follow it downwards to the bladder.
Question: Where does the ureters enter the bladder from?
Answer: By the trigone of the urinary bladder. The trigone of the urinary bladder (also known as the vesical trigone) is a smooth triangular region of the urinary bladder formed by the two ureteric orifices and the internal urethral orifice. It is closely related to the urethral orifice.

Question: How is the bladder wall like?
Answer: The bladder wall is thin, and it is common to cut it and get into the bladder
Question: How can I repair a bladder wall defect (injury)?
Answer: In two layers. The first layer (Vicryl 3/0) with continuous or simple sutures aims to reapproximate the mucosa of the bladder. The second layer, to cover the primary suture line of the bladder (simple sutures, Vicryl 2/0, like serosal sutures).