Regarding potential spaces in the abdomen:

• A. the entrance to the lesser sac is inferiorly via the transverse mesocolon foramen
• B. the right hepatorenal pouch is the lowest lying region of the peritoneal cavity in the supine position (excluding pelvis)
• C. the peritoneal cavity is divided into supracolic and infracolic by the epiploic foramen
• D. the root of the mesentry of the small intestine is a small 2cm area at the duodenojejunal junction
• E. none