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GI System Midterm > Peritoneum #3 > Flashcards

Peritoneum #3 Flashcards

1
Q

Artery for the foregut

A

celiac trunk

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2
Q

Branches of Celiac trunk

A

Splenic, L gastric, Common hepatic

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3
Q

Artery for the midgut

A

superior mesenteric

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4
Q

Branches of Superior mesenteric a.

A

Ileocolic, R colic, Middle colic

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5
Q

Artery for Hindgut

A

inferior mesenteric

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6
Q

Branches of Inferior mesenteric

A

L colic, sigmoid branches, superior rectal

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7
Q

Foregut supplies……

A

Esophagus, stomach, live, gallbladder, pancreas, upper duodenum, spleen (?)

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8
Q

Midgut supplies….

A

lower duodenum, jejunum, ileum, cecum, appendix, ascending colon, proximal 2/3 of transverse colon

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9
Q

Hindgut supplies…

A

distal 1/3 of the transverse colon, descending colon, sigmoid colon, rectum, and upper anal canal

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10
Q

Function of parietal layer of peritoneum

A

has pain fibers, lines body wall

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11
Q

Function of visceral layer of peritoneum

A

lacks pain fibers, covers viscera, autonomic innervation, can be sensed as referred pain

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12
Q

Referred pain is in reference to what layer of the peritoneum?

A

visceral

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13
Q

Definition of a mesentary

A

2 layers of peritoneum

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14
Q

Nerve supply to peritoneum supplies…..

A

pain and vasomotor fibers which can cause guarding from sharp stabbing pain when touched

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15
Q

T/F Visceral peritoneum is sensitive to touch, heat, cold, laceration

A

False, it is insensitive

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16
Q

What is visceral peritoneum sensitive to?

A

stretching and chemical irritation

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17
Q

What is the difference between intraperitoneal organs and retroperitoneal organs?

A

Intraperitoneal are suspended by a mesentary from the body wall and are surrounded by visceral pericardium
Retroperitoneal are deep to parietal peritoneum and covered by parietal peritoneum on ONE side

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18
Q

Primarily retroperitoneal vs Secondarily retroperitoneal

A

primary- never had a mesentary

secondary- had a mesentary but lost it at some point

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19
Q

What are the primary retroperitoneal organs?

A

kidney, ureters, adrenals, gonads, aorta and inferior vena cava

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20
Q

What are the secondarily retroperitoneal organs?

A

Duodenum, pancreas, ascending and descending colon, rectum

21
Q

What are the intraperitoneal organs?

A

stomach, small intestine (J and I), spleen, liver, gallbladder, cecum + veriform appendix, large intestine (transverse and sigmoid)

22
Q

What is THE Mesentery?

A

attaches the free small intestine to the posterior body wall, jejunum and ileum

23
Q

What is the only function of a ventral mesentery?

A

extends from respiratory diaphragm to the duodenum

24
Q

What is the mesentery for the transverse colon?

A

transverse mesocolon

25
Q

What is the mesentery for the sigmoid colon?

A

sigmoid mesocolon

26
Q

What is the mesentery for the vermiform appendix?

A

mesoappendix

27
Q

2 periotneal ligaments

A
  1. gastrosplenic

2. splenorenal

28
Q

2 peritoneal refelections

A
  1. greater omentum

2. lesser omentum

29
Q

Where does the greater omentum attach?

A

the stomach to other viscera

30
Q

Where is the lesser omentum derived from?

A

ventral mesentary

31
Q

2 subdivisions of the lesser omentum?

A
  1. hepatogastric (liver, stomach)

2. hepatoduodenal (liver, duodenum)

32
Q

What ligament contains the portal triad?

A

hepatoduodenal

33
Q

What are the 3 components of the portal triad?

A

proper hepatic artery, hepatic portal vein, common bile duct

34
Q

Where does the greater omentum develop from?

A

dorsal mesentary

35
Q

What are the 3 ligaments of the greater omentum?

A
  1. gastrocolic (stomach to transverse colon)
  2. gastrophrenic (stomach to diaphragm)
  3. gastrosplenic (stomach to spleen)
36
Q

What are the 3 ligaments associated with the liver?

A
  1. coronary ligament
  2. right and left triangular ligaments
  3. faciform ligament
37
Q

Other name for falciform ligament..

A

ligamentum teres hepatis

38
Q

The main fossae of the peritoneum

A

superior duodenal fold and fossa, paraduodenal fossa, inferior duodenal fold and fossa,

39
Q

Where is the median umbilical fold derived from?

A

urachus

*located @ midline

40
Q

Where is the medial umbilical fold derived from?

A

obliterated umbilical a.

41
Q

What makes up the lateral umbilical folds?

A

inferior epigastric vessels

42
Q

What is the obliterated umbilical vein called?

A

ligamentum teres hepatis

43
Q

Where is the falciform ligament (LTH) derived from?

A

ventral mesentery

44
Q

Where is the supravesical fossa located?

A

btwn median and medial umbilical folds

*site for supravesical hernias

45
Q

Where is the medial inguinal fossa located?

A

btwn the medial and lateral umbilical fold

*site for direct hernias

46
Q

What is the other name for medial inguinal fossa?

A

inguinal triangle

47
Q

Where is the lateral inguinal fossa located?

A

lateral to the lateral umbilical fold

*site for indirect hernias

48
Q

What are the two regions of the greater sac of the peritoneal cavity

A
  1. supracolic region

2. infracolic region

49
Q

What is the epipolic foramen?

A

opening between the greater and lesser sacs

GI System Midterm (7 decks)

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