Peritoneum/Mesentaries

Question 1

Retroperitoneal structures

Answer 1

S: suprarenal/adrenal glands
A: aorta/IVC
D: duodenum (2nd-4th parts)
P: pancreas (not the tail)
U: ureters
C: colon (ascending and descending)
K: kidneys
E: esophagus
R: rectum

Question 2

Ligaments of lesser omentum

Answer 2

hepatoduodenal l.

hepatogastric l.

Question 3

Derivatives of ventral mesentary

Answer 3

lesser omentum

falciform l.

Question 4

Derivatives of dorsal mesentary

Answer 4

splenorenal l.

greater omentum

Question 5

Ligaments of greater omentum

Answer 5

gastrophrenic l.
gastrosplenic l.
gastrocolic l.

Question 6

Components of hepatoduodenal l.

Answer 6

proper hepatic a. - R. gastric a., cystic a.

Question 7

Components of hepatogastric l.

Answer 7

L. gastric a.

R. gastric a.

Question 8

Components of splenorenal l.

Answer 8

splenic a.

tail of pancreas

Question 9

Components of gastrophrenic l.

Answer 9

posterior gastric a.

Question 10

Components of gastrosplenic l.

Answer 10

short gastric a.’s

L. gastroepiploic/omental a.

Question 11

Components of gastrocolic l.

Answer 11

L. gastroepiploic/omental a.

R. gastroepiploic/omental a.

Question 12

Components of transverse mesocolon

Answer 12

middle colic a.

marginal a.

Question 13

Components of the mesentary

Answer 13

jejunal branches
ileal branches
SMA

Question 14

Components of root of the mesentery

Answer 14

ileocolic a.

Question 15

Components of sigmoid mesentary

Answer 15

sigmoid a.’s

Question 16

Boundaries of epiploic foramen: anterior

Answer 16

Anterior: hepatoduodenal l. and portal triad

Question 17

Components of portal triad

Answer 17

proper hepatic a. (anterior)
common bile duct
hepatic portal v. (posterior)

Question 18

Boundaries of lesser sac: anterior

Answer 18

Anterior: lesser omentum, stomach, gastrocolic l.

Question 19

Boundaries of epiploic foramen: posterior

Answer 19

Posterior: IVC and R. crus of diaphragm

Question 20

Boundaries of epiploic foramen: superior

Answer 20

Superior: caudate lobe of liver

Question 21

Boundaries of epiploic foramen: inferior

Answer 21

Inferior: 1st part of duodenum

Question 22

Boundaries of lesser sac: posterior

Answer 22

Posterior: pancreas, L. suprarenal gland, L. kidney, aorta, IVC, splenic a./v.

Question 23

Boundaries of lesser sac: superior

Answer 23

Superior: liver, diaphragm

Question 24

Boundaries of lesser sac: inferior

Answer 24

Inferior: transverse mesocolon, 1st part of duodenum

Question 25

Boundaries of lesser sac: left

Answer 25

Left: hilum of spleen, gastrosplenic l.

Question 26

Boundaries of lesser sac: right

Answer 26

Right: epiploic foramen opens into greater sac

Question 27

Components of supracolic compartment

Answer 27

divided by transverse mesocolon | stomach, liver, spleen

Question 28

Components of infracolic compartment

Answer 28

divided by transverse mesocolon | SI, ascending/descending colon

Question 29

Lowest space fluid can drain for men

Answer 29

rectovesicular pouch

Question 30

Lowest space fluid can drain for women

Answer 30

rectouterine pouch

Question 31

Boundaries of pancreas: anterior

Answer 31

lesser sac, stomach

Question 32

Boundaries of pancreas: posterior

Answer 32

aorta/IVC, splenic v., bile duct, R. crus of diaphragm, L. kidney and vessels, L. suprarenal gland, SMA, SMV

Question 33

Boundaries of pancreas: right

Answer 33

2nd part of duodenum

Question 34

Boundaries of pancreas: left

Answer 34

spleen (tail is intraperitoneal)

Question 35

Boundaries of pancreas: inferior

Answer 35

3rd part of duodenum