Peritoneal Cavity and Mesenteries

Question 1

Parietal peritoneum (4)

Answer 1

Lines body wall.
Supplied by same BVs, nerves, lymphatics as the wall it is nearby.
Sensitive to pressure, pain, temp.
More specific in determining pain location.

Question 2

Visceral peritoneum (4)

Answer 2

Covers organs.
Supplied by same BVs, nerves, lymphatics as the organ it covers.
Sensitive to stretch, chemical irritation.
Less specific in determining pain location.

Question 3

Intraperitoneal

Answer 3

Most/completely covered in visceral peritoneum

Question 4

Retroperitoneal

Answer 4

Outside of peritoneal cavity and only partially covered w/ peritoneum.

Question 5

Lesser omentum includes (2)

Answer 5

Hepatoduodenal l.

Gastrohepatic l.

Question 6

Greater omentum includes (3)

Answer 6

Gastrophrenic l.
Gastrosplenic l.
Gastrocolic l.

Question 7

What exists in the gastroduodenal l.? (3)

Answer 7

Proper hepatic a.
Cystic a.
Rt gastric a.

Question 8

What exists in the hepatogastric l.? (2)

Answer 8

Rt gastric a.

Lt gastric a.

Question 9

What exists in gastrophernic l.? (1)

Answer 9

Posterior gastric a.

Question 10

What exists in gastrosplenic l.? (2)

Answer 10

Short gastric as.

Lt gastro-omental a.

Question 11

What exists in the gastrocolic l.? (2)

Answer 11

Rt gastro-omental a.

Lt gastro-omental a.

Question 12

What exists in splenorenal l.? (1)

Answer 12

Splenic a.

Question 13

What exists in the transverse mesocolon? (2)

Answer 13

Middle colic a.

Marginal a.

Question 14

What exists in the mesentery? (3)

Answer 14

Ileal a.
Jejunal a.
SMA

Question 15

What exists in the root of the mesentery? (1)

Answer 15

Iliocolic a.

Question 16

What exists in the sigmoid mesocolon? (1)

Answer 16

Sigmoid as.

Question 17

Epiploic foramen (omental foramen)

Answer 17

Opening between lesser sac (omental bursa) and greater sac.

Question 18

Boundaries of the epiplotic foramen
Ant
Post
Sup
Inf

Answer 18

Ant: hepatoduodenal l. and portal triad
Post: IVC, rt crus of diaphragm
Sup: caudate lobe of liver
Inf: 1st part of duodenum

Question 19

Boundaries of lesser sac
Ant
Post
Sup
Inf
Lt
Rt

Answer 19

Ant: lesser omentum, stomac, gastrocloic l.
Post: pancreas, left kidney, aorta, IVC, splenic a/v.
Sup: liver, diaphragm
Inf: transverse colon, 1st part of duodenum
Lt: Spleen, gastrosplenic l.
Rt: epiplotic foramen

Question 20

How can contents from the stomach enter the lesser sac?

Answer 20

Posterior rupture

Question 21

How can pancreatic contents enter the lesser sac?

Answer 21

Anterior rupture

Question 22

Transverse mesocolon divides the cavity into, and what does they contain?

Answer 22

Supracolic: stomach, liver, spleen
infracolic: ST, ascending, descending colon

Question 23

Paracolic gutters

Answer 23

Spaces on each side of the cavity that contents can spill into.

Question 24

Most distal cavities in men and women

Answer 24

Men - rectovesicular pouch

Women - rectouterine pouch

Question 25

Ascites

Answer 25

Excess fluid in peritoneal cavity

Question 26

``` Pancreas relationships Ant Post Inf Rt Lt ```

Answer 26

``` Ant - lesser sac and stomach Post - aorta, IVC, rt crus of diaphragm, lt kidney, SMA Inf - 3rd part of duodenum Rt - 2nd part of duodenum Lt - spleen ```