C6: Peritoneum and Retroperitoneum

Question 1

whats the peritoneal membrane composed of?

what the membrane contain?

Answer 1

connective tissue

-fat, blood vessels, lymphatics, nerves

Question 2

whats the function of the peritoneal membrane?

Answer 2

• anchor organs
• creates ligaments and fold
• allow movement of organs
• reduce friction

Question 3

during fetal development how does the peritoneal membrane change?

Answer 3

-its pushed anteriorly due to the movement of organs from the posteior abdo wall into the abdo cavity

Question 4

what surface of retroperitoneal organs are in contact with the peritoneal membrane?

Answer 4

anterior surface (these organs dont migrate from the posterior abdo wall in utero)

Question 5

what are ligaments

what do they contain

Answer 5

double fold or peritoneum that connect one organ to another

• blood vessels, lymphatics, nerves… which they connect to organs

Question 6

which surface of the liver does the falciform ligament travel over?
what does this ligament connect?

Answer 6

the anterior, superior surfaces

-connects the umbilicus to the liver

Question 7

which 2 ligaments form the lesser omentum

Answer 7

hepatoduodenal ligament and hepatogastric ligament

Question 8

which ligament conducts the portal triad?

Answer 8

hepatoduodenal ligament

Question 9

which ligaments are the corners of the bare area

Answer 9

triangular

Question 10

another term for the splenorenal ligament

Answer 10

lienorenal

Question 11

what are the posterior, left and right boundaries of morisons pouch

Answer 11

posteriorly:
the upper pole of the R kidney and diaphragm

left:
epiploic foramen of Winslow

right:
R lobe of liver and diaphragm

Question 12

what are the 2 areas of the left sub hepatic space

Answer 12

anterior and posterior

Question 13

the lesser sac sits in which potential space in the abdo

Answer 13

subhepatic spce

Question 14

which other potential space communicates with the right sub hepatic space?

Answer 14

the posterior subphrenic space

Question 15

another name for the lesser sac

Answer 15

omental bursa

Question 16

whats the relationship of the greater sac to the lesser sac

Answer 16

• anterior superiorly

- posterior inferiorly

Question 17

which sub compartments make up the supramesocolic compartment

Answer 17

subphrenic

subhepatic

Question 18

which sub compartments make up the inframesocolic compartments

Answer 18

paracolic gutters

pelvic reflections

Question 19

how is the inframesocolic compartment divided into L and R

Answer 19

by the root of the mesentery

Question 20

how are the L and R inframesocolic compartments further divided

Answer 20

divided into medial and lateral by the ascending and descending colon

Question 21

when is the mesentery seen on US?

Answer 21

with ascites

Question 22

the retroperitoneum is anterior to which fascia

Answer 22

transversalis fascia (lines abdominal muscles

Question 23

what are the superior and inferior boundaries for the retroperitoneum

Answer 23

diaphragm and pelvis brim

Question 24

which other spaces does the anterior pararenal space communicate with

Answer 24

posterior pararenal space and the pelvis

Question 25

what is the properitoneal space

Answer 25

potential space b/w the peritoneum and transversals fascia

Question 26

study note package too. didn’t include all info here

Answer 26

.

Question 27

The subphrenic space is divided into which smaller portions

Answer 27

Anterior and posterior

Question 28

Which ligament runs through the falciform ligament

Answer 28

Lig teres… lig teres joins the LPV at the porta hepatis

Question 29

Do the greater and lesser sac communicate

Answer 29

Yes at the epiploic foramen

Question 30

Which part of the inframesocolic compartment doesn’t communicate with the pelvic cavity

Answer 30

R medial… blocked by messntary

Question 31

Which ligament prevents the L lateral gutter from communicating with the L supramesocolic area

Answer 31

Phrenicolic ligament

Question 32

How does the parietal peritoneum appear on US

What is the appearance called

Answer 32

Thin smooth echogenic line deep to the abdo wall muscles

Called the peritoneal line

Question 33

Does the anterior parade all space have a midline communication
What about posterior

Answer 33

Yes

Posterior does not due to great vessels

Question 34

Does the post perirenal space communicate with the pelvis

Answer 34

Yes

Question 35

Which space in the retroperitoneum communicates with the properitoneal space

Answer 35

Post pararenal space