This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Umblicial cord and diaphragm, Subject name: Anatomy
Sub-diaphragmatic right posterior intraperitoneal space is 
Select and explain. 
A. Lesser sac, B. Morison's pouch, C. Pouch of Douglas, D. Superior pa of supracolic compament
B: Morison's pouch
Answer: B: Morison's pouch 
Explanation: Right posterior intraperitoneal space (RPIS) or right sub-hepatic space is hepato-renal pouch of Morison. it is most dependent loacation in supine postion