<prompt> Foramen of winslow is a communication between -Right and left subhepatic spacesRight and left extraperitoneal spacesGreater sac and Morrisons pouchGreater sac and lesser sac  <response>: Ans. is d i.e., Greater sac and lesser sac o 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 vertebra. Its boundries are Anterior:- 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.Reflections of peritoneum 