This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
All of the following statements regarding vas deference are true except - 
Select and explain. 
A. The terminal part is dilated to form ampulla, B. It crosses ureter in the region of ischial spine, C. It passes lateral to inferior epigastric artery at deep inguinal ring, D. It is separated from the base of bladder by the peritoneum
D: It is separated from the base of bladder by the peritoneum
Answer: D: It is separated from the base of bladder by the peritoneum 
Explanation: The base of bladder and vas deferens are closely apposed as there is no peritoneum in between them.