Lesson 3A: Peritoneum

Question 1

Pertioneum

Answer 1

A very thin continuous transparent serous#***

Question 2

Is the parietal peritoneum a closed or open sac?

Answer 2

Closed–technically females could be argued otherwise.

Question 3

What are cul de sacs?

Answer 3

“Dead ends” in the body. If you see free fluid in the abdomen, thats where its going to collect.

Question 4

Is there a retrovesical pouch in a female or male?

Answer 4

Male

Question 5

What are the 3 parts of the peritoneum?

Answer 5

Mesenteries, omenta, and peritoneal ligaments.

Question 6

What is mesentery?

Answer 6

A fused double layer of peritoneum that encolses the intestine. It attaches the intraperitoneal structures in the abdominal cavity to the abdominal wall (suspends organs in A cavity. Is a conduit for blood vessels, lympathic vessels, and nerves. Holds the organs, lets it go where it wants but has restrictions. “Leash”

Question 7

Peritoneum is _______ the parietal wall of the AC and instestine.

Answer 7

In between–suspensory portion

Question 8

Peritoneum is the same as the pericardium. T | F

Answer 8

True

Question 9

If you want to be more specific you can use “meso” and then a location. Example mesojejunum. T | F

Answer 9

True

Question 10

What are the two levels of omenta?

Answer 10

Greater and lesser

Question 11

Greater omentum

Answer 11

A “fatty apron” (gastrocolic). Fold of peritoneum that descends from the greater curvature of stomach and proximal duodenum.

Question 12

Both omentums attach to stomach

Answer 12

Both omentums attach to stomach

Question 13

What are the functions of greater omentum?

Answer 13

Fat deposition
Immune contribution
Infection and wound isolation

Question 14

Lesser omentum is connected to greater sac via:

Answer 14

Foramen of Winslow

Question 15

Peritoneal cavity is divided into _____ and ______ by the omentum.

Answer 15

Greater and lesser sac

Question 16

Greater Sac

Answer 16

**

Question 17

Lesser Sac (omental bursa (cushion sac–reduces friction)

Answer 17

**

Question 18

Differences between P

Answer 18

Peritoneum-thin, single, continuous serous (2 layers-pareital and visceral) membrane. Covers most of the abdominal viscera.
Mesentery- double layer of serous membrane. 2 membranes fused
together.Holds & suspends the intestines from AW.
Omenta-double layer of peritoneum that connects to stomach to other viscera.

Question 19

Omenta, think ________.

Answer 19

Stomach

Question 20

Peritoneal Ligament

Answer 20

Double fold of peritoneum that connects viscera together or connects viscera to the AW, eg. hepatogastric ligament which connects liver to stomach.

Question 21

Anything that is not mesentery or omentum is considered a:

Answer 21

Peritoneal ligament

Question 22

Greater curvature of stomach=greater omentum. T | F

Answer 22

True, G’s go together

Question 23

Greater omentum contains the ________, ________, and _________.

Answer 23

Gastrophrenic,

gastrocolic, and gastrosplenic

Question 24

Lesser omentum contains the _________ and ________.

Answer 24

Hepatoduodenal ligament and hepatogastric.

Question 25

What divides the liver into the left and right lobes?

Answer 25

Falciform Ligament

Question 26

Free hanging part that was part of umbilical in utero is called?

Answer 26

Ligamental Teres (aka round ligament)

Question 27

Coronary Ligament

Answer 27

Attaches to the liver to the inferior surface of the diaphragm.

Question 28

Coronary Ligament

Answer 28

Attaches to the liver to the inferior surface of the diaphragm. Consists of 2 layers of peritoneum.

Question 29

Left and right triangular ligaments:

Answer 29

Where the layers of the coronary ligament meet to the right respectively.

Question 30

Posterior right lobe liver is "bare area". So there is covered by serous membrane. T | F

Answer 30

False

Question 31

Intrperitoneal StructuresL

Answer 31

``` Stomach first part of duodenum majority of intestines ovaries gallbladder spleen* ```

Question 32

Which structure is retroperitoneal? (only a little bit is in intraperitoneal)

Answer 32

``` SAD PUCKER Suprarenal Aorta/IVC Duodenum (desc. & transverse) Pancreas Ureters Colon (asc. & desc) Kidneys Esophagus Rectum ```

Question 33

What is the difference between the mesentery and the omentum?

Answer 33

Mesentery- Intestines. Suspensory portion (is a double folded peritoneal ligament). Omentum- stomach. Is something that connects the stomach to something else Lesser omentum =(liver) Greater omentum-greater curvature of stomach

Question 34

What term is used to describe the location of organs in the abdominal cavity that have peritoneum only on their anterior surface?

Answer 34

Retroperitoneal

Question 35

What would you call mesentery that suspends the uterus?

Answer 35

Mesometrium

Question 36

What is name of the peritoneal lining that extends inferiorly between the bladder and the rectum?

Answer 36

Rectovesical Pouch

Question 37

What is the difference between the peritoneal cavity and the abdominopelvic cavity?

Answer 37

Peritoneal cavity is a little smaller

Question 38

What is the name of the part of the liver that is in direct contact with the diaphragm?

Answer 38

Bare area of liver

Question 39

Ligaments that make up the greater omentum?

Answer 39

Gastrophrenic Splenic Colic

Question 40

Ligaments that make up the lesser omentum?

Answer 40

Hepatoduodenal Hepatogastric

Question 41

Transtubercular

Answer 41

Cuts through the tubes of the iliac crest.

Question 42

Interiliac

Answer 42

Cuts through the iliac crest

Question 43

Transtubercular

Answer 43

Cuts through the tubes of the iliac crest.

Question 44

Interiliac

Answer 44

Cuts through the iliac crest

Question 45

How many layers in the mesentery? What are they made of?

Answer 45

2 layers of serous membranes

Question 46

What is the most superior part of the greater omentum?

Answer 46

Gastrophrenic (attaches stomach to diaphragm)