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
Foramen of Winslow is? 
Select and explain. 
A. Between greater and lesser sac, B. At hilum of liver, C. Transverse cervical ligament of uterus, D. Pouch of Douglas
A: Between greater and lesser sac
Answer: A: Between greater and lesser sac 
Explanation: Between greater and lesser sac