Communicating opening between greater sac and lesser sac?: (A) Foramen of winslow, (B) Foramen of Monro, (C) Hepatorenal pouch, (D) Pouch of Douglas
Answer is A. Epiploic foramen (foramen of winslow or aditus to lesser sac) is a slit-like opening through which lesser sac communicates with greater sac. It is situated at the level of T12 veebra. Its boundries are :- Anterior :- Right free margin of lesser omentum (contains poal vein, hepatic aery proper and bile duct). Posterior :- IVC, right suprarenal gland and T12 veebra. Superior :- Caudate lobe of liver. Inferior :- 1 pa of duodenum and horizontal pa of hepatic aery.