This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
Traingle of Doom is bounded by all of the following except 
Select and explain. 
A. Cooper's ligament, B. Vas deferens, C. Gonadal vessels, D. Peritoneal reflection
A: Cooper's ligament
Answer: A: Cooper's ligament 
Explanation: Triangle of Doom is bounded by the ductus deferens medially, gonadal vessels laterally and peritoneal reflection inferiorly in the male and the apex of the triangle is at the level of internal inguinal ring. Impoance: External iliac aery and vein, femoral nerve are located in the triangle and so stapling is avoided in this triangle while doing laparoscopic preperitoneal repair for hernia. Reference : page 766 SRB's manual of surgery 5th edition