Peritoneal cavity

Question 1

Peritoneum

Answer 1

Thin, transparent, semi permeable serous membrane

Lines the walls of the abdomeno-pelvic cavity and organs

Question 2

Peritoneal cavity

Answer 2

Contains a small amount of lubricating fluid

foreign bodies etc in the peritoneal cavity cause peritonitis

Question 3

Intraperitoneal organs

Answer 3

Almost completely covered with visceral peritoneum

Can’t move much

Question 4

Retroperitoneal organs

Answer 4

Only contain visceral peritoneum on their anterior surface
Located near the back
Mobile

Question 5

Intraperitoneal organs examples

Answer 5

Liver 
GB 
Spleen
1st part duodenum
jejunum
ileum
transverse colon
sigmoid colon

Question 6

Retroperitoneal organs examples

Answer 6

Pancreas
Kidneys
2nd, 3rd, 4th part duodenum 
Ascending colon
Descending colon 
AA
IVC

Question 7

Organs with a mesentery

Answer 7

Covered in visceral peritoneum (intraperitoneal)
Visceral peritoneum wraps behind the organ and forms a double layer (mesentery)
Mesentery suspends the organ from the posterior wall
Very mobile

Question 8

Organs with a mesentery examples

Answer 8

SI
Transverse colon
Sigmoid colon

Question 9

Ommentum

Answer 9

Double layer of peritoneum which passes from the stomach and drapes over the intestines
Useful to wall off infection and prevent further spreading

Question 10

Greater ommentum

Answer 10

4 layered
Hangs like an oaty apron
Attaches the greater curvature of the stomach to the transverse colon

Question 11

Lesser ommentum

Answer 11

Double layered
Has a free edge
Runs between the lesser curvature of the stomach to the liver

Question 12

Inferior aspects of the peritoneum (pouches)

Answer 12

Male
- rectovesical pouch

Female

• vesicouterine pouch
• rectouterine pouch

Question 13

Hepatorenal recess

Answer 13

Part of the greater sac