Peritoneum

Question 1

What main artery supplies the midgut?

Accessory arteries?

Answer 1

Superior mesenteric

Ileocolic, R colic, Middle colic

Question 2

What main artery supplies the hind gut?

Accessory arteries?

Answer 2

Inferior mesenteric

L colic, sigmoid branches, superior rectal

Question 3

What layer has somatic innervation and pain fibers?

Answer 3

Parietal layer

Question 4

What layer has referred pain and receives autonomic innervation?

Answer 4

Visceral layer

Question 5

What kind of fibers does visceral peritoneum have?

What is this kind of peritoneum sensitive/insensitive to?

Answer 5

Unmyelinated C-fibers

Sensitive to: stretching and chemical irritation
Insensitive to: touch, heat, cold, laceration

Question 6

What are the primary Retroperitoneal organs?

Answer 6

Kidneys
Ureters
Suprarenal glands
Gonads
Aorta and IVC

Question 7

What are the secondary Retroperitoneal organs?

Answer 7

Duodenum (asc./desc. and horizontal)
Asc./desc. colon
Pancreas
Upper 2/3 rectum

Question 8

How are Retroperitoneal organs covered by peritoneum?

Answer 8

By parietal on one side only

Question 9

How are intraperitoneal organs covered?

Answer 9

Most sides by visceral peritoneum

Suspended by a mesentery

Question 10

What does THE mesentery attach?

Answer 10

Small intestine to the posterior body wall

Question 11

Where is ventral mesentery located?

Answer 11

Area around the liver i.e. Respiratory diaphragm to teh duodenum

Question 12

Where does the lesser omentum develop from?

What parts does it have?

Answer 12

Ventral mesentery

Hepatogastric lig
Hepatoduodenal lig

Question 13

Where does the greater omentum develop from?

What ligaments does it have?

Answer 13

Dorsal mesentery

Gastrocolic
Gastrophrenic
Gastrosplenic

Question 14

What is the ligamentum teres hepatis (round ligament of the liver) a remnant of?

Answer 14

Umbilical vein

Question 15

How is the retro duodenal fossa fold formed?

Answer 15

By inferior mesenteric vein posterior to peritoneum

Question 16

The median umbilical fold is what fetal remnant?

Answer 16

Urachus

Question 17

The medial umbilical folds are what fetal remnants?

Answer 17

Obliterated umbilical arteries

Question 18

The lateral umbilical folds are what fetal remnants?

Answer 18

Inferior epigastric vessels and functional a + v.

Question 19

What is the falciform ligament a remnant of?

Answer 19

Ventral mesentery

Question 20

Where is the supravesical fossa?

What is it a site for?

Answer 20

Between median and medial folds

Supravesical hernias

Question 21

Where is the lateral inguinal fossa located?

Site for what?

Answer 21

Lateral to the lateral umbilical fold

Indirect hernias

Question 22

Where is the medial inguinal fossa located?

Site for what?

Answer 22

Between medial and lateral umbilical folds

Direct hernia

Area also called inguinal triangle

Question 23

What divides the greater sac into supra colic and infra colic?

Answer 23

Colon and transverse mesocolon

Question 24

What is the supra colic region of the greater sac made up of?

Answer 24

Superior to liver and stomach

Anterior to stomach and greater omentum

Question 25

What pouches are located at the supracolic level? What may develop?

Answer 25

Subphrenic and subhepatic Abscesses especially in the right hepatorenal (subhepatic) and right Subphrenic pouches

Question 26

What makes up the inframesocolic regions?

Answer 26

R and L paracolic gutters lateral to a/d colon Upper R and lower L parts separated by THE mesentery

Question 27

What ligament limits the spread of fluid superiorly in the greater sac inframesocolic region?

Answer 27

Phrenicolic lig

Question 28

How does the lesser sac develop? What is the communication between the two?

Answer 28

As a diverticulum of the greater sac Epiploic/omental foramen of Winslow

Question 29

Where is the superior recess of the lesser sac located?

Answer 29

Posterior to the liver

Question 30

Where is the inferior recess of the lesser sac located?

Answer 30

Potential space between the 2 layers of the gastrocolic ligament

Question 31

Where is the splenic recess of the lesser sac located?

Answer 31

Posterior and left of the stomach

Question 32

Anterior border of the Epiploic foramen?

Answer 32

Portal vein, hepatic artery, bile duct

Question 33

Posterior border of the Epiploic foramen?

Answer 33

IVC and right crus of diaphragm

Question 34

Superior border of the Epiploic foramen?

Answer 34

Caudate lobe of liver

Question 35

Inferior border of the Epiploic foramen?

Answer 35

1st part of duodenum

Question 36

What can cause an internal hernia?

Answer 36

Minor folds and fossae around duodenum and cecum when abnormally deep

Question 37

What main artery supplies the foregut? Accessory arteries?

Answer 37

Celiac trunk Splenic, L gastric, common hepatic