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COM - GI Midterm > Peritoneum > Flashcards

Peritoneum Flashcards

1
Q

What main artery supplies the midgut?

Accessory arteries?

A

Superior mesenteric

Ileocolic, R colic, Middle colic

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2
Q

What main artery supplies the hind gut?

Accessory arteries?

A

Inferior mesenteric

L colic, sigmoid branches, superior rectal

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3
Q

What layer has somatic innervation and pain fibers?

A

Parietal layer

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4
Q

What layer has referred pain and receives autonomic innervation?

A

Visceral layer

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5
Q

What kind of fibers does visceral peritoneum have?

What is this kind of peritoneum sensitive/insensitive to?

A

Unmyelinated C-fibers

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

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6
Q

What are the primary Retroperitoneal organs?

A 
Kidneys
Ureters
Suprarenal glands
Gonads
Aorta and IVC
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7
Q

What are the secondary Retroperitoneal organs?

A

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

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8
Q

How are Retroperitoneal organs covered by peritoneum?

A

By parietal on one side only

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9
Q

How are intraperitoneal organs covered?

A

Most sides by visceral peritoneum

Suspended by a mesentery

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10
Q

What does THE mesentery attach?

A

Small intestine to the posterior body wall

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11
Q

Where is ventral mesentery located?

A

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

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12
Q

Where does the lesser omentum develop from?

What parts does it have?

A

Ventral mesentery

Hepatogastric lig
Hepatoduodenal lig

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13
Q

Where does the greater omentum develop from?

What ligaments does it have?

A

Dorsal mesentery

Gastrocolic
Gastrophrenic
Gastrosplenic

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14
Q

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

A

Umbilical vein

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15
Q

How is the retro duodenal fossa fold formed?

A

By inferior mesenteric vein posterior to peritoneum

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16
Q

The median umbilical fold is what fetal remnant?

A

Urachus

17
Q

The medial umbilical folds are what fetal remnants?

A

Obliterated umbilical arteries

18
Q

The lateral umbilical folds are what fetal remnants?

A

Inferior epigastric vessels and functional a + v.

19
Q

What is the falciform ligament a remnant of?

A

Ventral mesentery

20
Q

Where is the supravesical fossa?

What is it a site for?

A

Between median and medial folds

Supravesical hernias

21
Q

Where is the lateral inguinal fossa located?

Site for what?

A

Lateral to the lateral umbilical fold

Indirect hernias

22
Q

Where is the medial inguinal fossa located?

Site for what?

A

Between medial and lateral umbilical folds

Direct hernia

Area also called inguinal triangle

23
Q

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

A

Colon and transverse mesocolon

24
Q

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

A

Superior to liver and stomach

Anterior to stomach and greater omentum

25
Q

What pouches are located at the supracolic level?

What may develop?

A

Subphrenic and subhepatic

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

26
Q

What makes up the inframesocolic regions?

A

R and L paracolic gutters lateral to a/d colon

Upper R and lower L parts separated by THE mesentery

27
Q

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

A

Phrenicolic lig

28
Q

How does the lesser sac develop?

What is the communication between the two?

A

As a diverticulum of the greater sac

Epiploic/omental foramen of Winslow

29
Q

Where is the superior recess of the lesser sac located?

A

Posterior to the liver

30
Q

Where is the inferior recess of the lesser sac located?

A

Potential space between the 2 layers of the gastrocolic ligament

31
Q

Where is the splenic recess of the lesser sac located?

A

Posterior and left of the stomach

32
Q

Anterior border of the Epiploic foramen?

A

Portal vein, hepatic artery, bile duct

33
Q

Posterior border of the Epiploic foramen?

A

IVC and right crus of diaphragm

34
Q

Superior border of the Epiploic foramen?

A

Caudate lobe of liver

35
Q

Inferior border of the Epiploic foramen?

A

1st part of duodenum

36
Q

What can cause an internal hernia?

A

Minor folds and fossae around duodenum and cecum when abnormally deep

37
Q

What main artery supplies the foregut?

Accessory arteries?

A

Celiac trunk

Splenic, L gastric, common hepatic

COM - GI Midterm (11 decks)

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