Lecture 3

Question 1

What is the difference between peritoneal cavity and sac

Answer 1

Peritoneal sac is the parietal and visceral portions of the sac, the cavity is a potential space within the sac

Question 2

Describe the lesser omentum in terms of: the ligaments it is composed of, its function, and where it is derived from

Answer 2

Lesser omentum is derived from the ventral mesentary and functionally serves to connect the stomach and duodenum to the liver. it is composed in part by hepatogastric and heptoduodenal ligaments

Question 3

What are the components of the greater omentum?

Answer 3

gastrocolic ligament (largest portion) + gastrosplenic ligament and gastrophrenic ligament (to diaphragm)

Question 4

What does the mesentary proper do?

Answer 4

Anchors the majority of the small intestines to the posterior abdominal wall

Question 5

What secures the final portion of the duodenum?

Answer 5

Suspensory ligament of trietz!

Question 6

What does the mesocolon do?

Answer 6

Anchors the transverse colon to the posterior wall creating two compartments.
Supracolic compartment – contains stomach, liver and spleen
Infracolic compartment – contains small intestine and ascending & descending colon.

Question 7

What does the falciform ligament do?

Answer 7

Anchors the liver to the diaphragm, separates liver into R and L lobes, and contains the round ligament of the liver

Question 8

Where is the coronary ligament?

Answer 8

On the fucking liver, of all places.

Question 9

What is the heptorenal pouch where is it located?

Answer 9

the lowest part of the peritoneal cavity when patient is recumbent. posterior to the right kidney

Question 10

Name all of the peritoneal pouches

Answer 10

1) Heptorenal pouch
2) rectovesical pouch (males)
3) rectouterine pouch (females)
4) vesicouterine pouch (females)