Abdomen - Peritoneum and Peritoneal Cavity

Question 1

What is the peritoneum?

Answer 1

the peritoneum lines the abdominal cavity
it consitss of an epithelial-like single layer of cells together with a supportive layer of connective tissue

It holds the organs in place while secreting a lubricating fluid to reduce the friction between organs.

Question 2

Parietal peritoneum

Answer 2

lines the abdominal wall

Question 3

Visceral peritoneum

Answer 3

covers the suspended organs

Question 4

What is a mesentary?

Answer 4

mesentaries are thin sheets of tissue suspending the organs from the posterior abdomen wall

Question 5

what is the peritoneal cavity?

Answer 5

a chamber enclosed by the abdominal wall

Question 6

Introperitoneal structures

Answer 6

are suspended from the abdominal wall by mesenteries
- GI tract
- Stomach
- Liver
- Spleen
- Jejunum, Ileum
- Appendix
- Transverse colon
- Sigmoid colon
- Tail of pancreas
- First part of duodenum

Question 7

Retroperitoneal structures

Answer 7

Not suspended from the abdominal wall & lie between partietal peritoneum and abdominal wall.
- Aorta
- Kidneys
- Adrenal glad
_ Pancreas
_ Ureters
- Ascending and descending colon

Question 8

Secondary retroperitoneal organs

Answer 8

once suspended by mesenteries but migrated posteriorly to peritoneum during embryogeneis
- 2nd to 4th duodenum
- pancreas
- ascending and descending colon
- large intestine and duodinum
- kidneys
- adrenal gland
- ureters

Question 9

Peritonitis

Answer 9

inflammation of the peritoneum