This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Peritoneum & GI Tract, Subject name: Anatomy
[{'content': 'Communicating opening between greater sac and lesser sac- \nSelect and explain. \nA. Foramen of winslow, B. Foramen of Monro, C. Hepatorenal pouch, D. Pouch of Douglas', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Foramen of winslow o Epiploic foramen (foramen of winslow or aditus to lesser sac) is a slit-like opening through which lesser sac communicates w ith greater sac. It is situated at the level of T12 vertebra. Its boundries areAnterior :- Right free margin of lesser omentum (contains portal vein, hepatic artery proper and bile duct).Posterior :- IVC, right suprarenal gland and T12 vertebra.Superior :- Caudate lobe of liver.Inferior :- 1st part of duodenum and horizontal part of hepatic artery.", 'role': 'assistant'}]