Peritoneum

Question 1

Layers of Peritoneum

• Parietal layer covers
• Visceral wall covers
• Mesenteries

Answer 1

• Walls
• Organs
• Double layers which enclose organs and connect them to the body wall

Question 2

Peritoneum terms

• Intra-peritoneal
• Extra-peritoneal
• Retro-peritoneal
• Infra-peritoneal

Answer 2

• Have mesentery (stomach, gall bladder, spleen, small intestine, caecum etc)
• No mesentery ever or lost in development
• Partially covered in peritoneum. Primary (kidneys, supra-renal glands etc) and secondary (pancreas, parts 2-4 of duodenum and ascending/descending colon etc)
• Sub peritoneal. Lower 1/3 of rectum and many pelvic organs.

Question 3

Greater Omentum

• Origins
• Function
• Blood vessels

Answer 3

• Suspended from the greater curvature of the stomach and covers the anterior surface of the transverse colon
• Moves to problem areas and covers them to try and prevent spread of infection
• Carries vessels to supply itself and the greater curvature of the stomach

Question 4

Lesser Omentum

Answer 4

Question 5

Epiploic Foramen

• What is it?

Answer 5

• Area of communication between greater and lesser sacs

Question 6

Mesentery

• What does it contain?

Answer 6

• Carries nerves, vessels and lymphatics to most of the small intestine (ileum and jejunum). Branches of the superior mesenteric artery/vein

Question 7

Peritoneal Fluid

Answer 7