Peritoneum #3

Question 1

Artery for the foregut

Answer 1

celiac trunk

Question 2

Branches of Celiac trunk

Answer 2

Splenic, L gastric, Common hepatic

Question 3

Artery for the midgut

Answer 3

superior mesenteric

Question 4

Branches of Superior mesenteric a.

Answer 4

Ileocolic, R colic, Middle colic

Question 5

Artery for Hindgut

Answer 5

inferior mesenteric

Question 6

Branches of Inferior mesenteric

Answer 6

L colic, sigmoid branches, superior rectal

Question 7

Foregut supplies……

Answer 7

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

Question 8

Midgut supplies….

Answer 8

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

Question 9

Hindgut supplies…

Answer 9

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

Question 10

Function of parietal layer of peritoneum

Answer 10

has pain fibers, lines body wall

Question 11

Function of visceral layer of peritoneum

Answer 11

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

Question 12

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

Answer 12

visceral

Question 13

Definition of a mesentary

Answer 13

2 layers of peritoneum

Question 14

Nerve supply to peritoneum supplies…..

Answer 14

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

Question 15

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

Answer 15

False, it is insensitive

Question 16

What is visceral peritoneum sensitive to?

Answer 16

stretching and chemical irritation

Question 17

What is the difference between intraperitoneal organs and retroperitoneal organs?

Answer 17

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

Question 18

Primarily retroperitoneal vs Secondarily retroperitoneal

Answer 18

primary- never had a mesentary

secondary- had a mesentary but lost it at some point

Question 19

What are the primary retroperitoneal organs?

Answer 19

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

Question 20

What are the secondarily retroperitoneal organs?

Answer 20

Duodenum, pancreas, ascending and descending colon, rectum

Question 21

What are the intraperitoneal organs?

Answer 21

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

Question 22

What is THE Mesentery?

Answer 22

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

Question 23

What is the only function of a ventral mesentery?

Answer 23

extends from respiratory diaphragm to the duodenum

Question 24

What is the mesentery for the transverse colon?

Answer 24

transverse mesocolon

Question 25

What is the mesentery for the sigmoid colon?

Answer 25

sigmoid mesocolon

Question 26

What is the mesentery for the vermiform appendix?

Answer 26

mesoappendix

Question 27

2 periotneal ligaments

Answer 27

1. gastrosplenic | 2. splenorenal

Question 28

2 peritoneal refelections

Answer 28

1. greater omentum | 2. lesser omentum

Question 29

Where does the greater omentum attach?

Answer 29

the stomach to other viscera

Question 30

Where is the lesser omentum derived from?

Answer 30

ventral mesentary

Question 31

2 subdivisions of the lesser omentum?

Answer 31

1. hepatogastric (liver, stomach) | 2. hepatoduodenal (liver, duodenum)

Question 32

What ligament contains the portal triad?

Answer 32

hepatoduodenal

Question 33

What are the 3 components of the portal triad?

Answer 33

proper hepatic artery, hepatic portal vein, common bile duct

Question 34

Where does the greater omentum develop from?

Answer 34

dorsal mesentary

Question 35

What are the 3 ligaments of the greater omentum?

Answer 35

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

Question 36

What are the 3 ligaments associated with the liver?

Answer 36

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

Question 37

Other name for falciform ligament..

Answer 37

ligamentum teres hepatis

Question 38

The main fossae of the peritoneum

Answer 38

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

Question 39

Where is the median umbilical fold derived from?

Answer 39

urachus | *located @ midline

Question 40

Where is the medial umbilical fold derived from?

Answer 40

obliterated umbilical a.

Question 41

What makes up the lateral umbilical folds?

Answer 41

inferior epigastric vessels

Question 42

What is the obliterated umbilical vein called?

Answer 42

ligamentum teres hepatis

Question 43

Where is the falciform ligament (LTH) derived from?

Answer 43

ventral mesentery

Question 44

Where is the supravesical fossa located?

Answer 44

btwn median and medial umbilical folds | *site for supravesical hernias

Question 45

Where is the medial inguinal fossa located?

Answer 45

btwn the medial and lateral umbilical fold | *site for direct hernias

Question 46

What is the other name for medial inguinal fossa?

Answer 46

inguinal triangle

Question 47

Where is the lateral inguinal fossa located?

Answer 47

lateral to the lateral umbilical fold | *site for indirect hernias

Question 48

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

Answer 48

1. supracolic region | 2. infracolic region

Question 49

What is the epipolic foramen?

Answer 49

opening between the greater and lesser sacs