This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: KUB & Adrenal Gland, Subject name: Anatomy
The narrowest part of the ureter is at the - 
Select and explain. 
A. Uretero - pelvic junction, B. Hiac vessel crossing, C. Pelvic ureter, D. Uretero - vesical junction
D: Uretero - vesical junction
Answer: D: Uretero - vesical junction 
Explanation: Ans. is 'd' i.e. Uretero-vesical junction Normal Uterer has 3 distinct site of narrowing.at ureteropelvic junctionwhere the ureter crosses the iliac vesselsat ureterovesical junction (narrowest part)