Gi: Anatomy: Disposition Of Peritoneum

Front 1

From what is the peritoneum derived?

Back 1

Mesenchymal cells

Front 2

In which sex is the peritoneum a closed cavity?

Back 2

Male; in the female it is open due to the communication via the opening of uterine tube

Front 3

Lines the wall of the abdominal and pelvic cavities

Back 3

Parietal peritoneum (Outside the parietal layer is a layer of CT called the extraperitoneal layer:fatty)

Front 4

Name the 3 specializations of the peritoneum

Back 4

Mesentary, Omentum, Ligament

Front 5

What connects the greater sac to the lesser sac?

Back 5

Epiploic foramen/Foramen of WInslow

Front 6

Lesser sac AKA

Back 6

Omental bursa

Front 7

Which division of the peritoneal cavity is formed as a result of the rotation of the gut?

Back 7

Lesser Sac/Omental bursa

Front 8

Allows an organ's neruovascular structures to reach it from the abdominal wall

Back 8

Mesentery

Front 9

When the peritoneum continues to an organ

Back 9

Mesentery (Ex, Transverse mesocolon and mesentery of the SI)

Front 10

A 2 layered fold of peritoneum that attaches the STOMACH to another structure

Back 10

Omentum (Greater and Lesser)

Front 11

To what does the greater omentum attach the stomach?

Back 11

To the transverse colon

Front 12

To what does the lesser omentum attach the stomach?

Back 12

To the liver (Note: it also attaches a small part of the duodenum to the liver)

Front 13

2 layered folds of peritoneum that attach the less mobile, solid viscera to the abdominal wall or other organs

Back 13

Peritoneal Ligaments

Front 14

Attachment of falciform ligament

Back 14

Attaches liver to anterior abdominal wall

Front 15

Attachment of Lienoreal/Splenorenal ligament

Back 15

Attaches spleen to posterior wall at the level of the kidney

Front 16

Attachment of the triangular ligament

Back 16

Attaches liver to inferior diaphragm (helps to form bare area of liver)

Front 17

When viscera is only covered with peritoneum on the anterior surface

Back 17

Retroperitoneal

Front 18

An abdominal organ that is almost completely covered by visceral peritoneum and grows into the peritoneal cavity

Back 18

Intraperitoneal

Front 19

From where and to where does the ligamentum teres extend? Also, what is it a remnant of?

Back 19

Extends from the umbilicus to the porta hepatis (door of liver); remnant of the fetal left umbilical vein

Front 20

The R lamina of the falciform ligament forms what?

Back 20

anterior and posterior layer of the coronary ligament, and the right triangular which encloses the bare area of the liver

Front 21

The L lamina of the falciform ligament forms what?

Back 21

Left triangular ligament

Front 22

The GO is a derivative of which mesentary?

Back 22

Dorsal

Front 23

The LO is a derivative of which mesentary?

Back 23

Ventral

Front 24

The Falciform ligament is a derivative of which mesentary?

Back 24

Ventral

Front 25

Name 2 subdivisions of the LO

Back 25

Hepatoduodenal ligament and Hepatogastric Ligament

Front 26

From the porta hepatis to the first inch of duodenum

Back 26

Hepatoduodenal ligament (encloses the portal triad)

Front 27

Encloses the portal triad

Back 27

Hepatoduodenal ligament

Front 28

What is the portal triad?

Back 28

Common bile duct, Hepatic artery, Portal vein

Front 29

What forms the anterior border of epiploic foramen?

Back 29

Hepatoduodenal ligament

Front 30

From the fissure for the ligamentum venosum near porta hepatis to the lesser curvature of the stomach

Back 30

Hepatogastric ligament

Front 31

What does the hepatogastric ligament enclose?

Back 31

Right and Left gastric arteries

Front 32

What forms the floor of the omental foramen?

Back 32

IVC

Front 33

Name the 4 lobes of the liver

Back 33

R,L, Quadrate and Caudate

Front 34

Where there is no peritoneum that intervenes between the liver and the diaphragm

Back 34

Bare area of the liver

Front 35

Where does the GO extend?

Back 35

Extends from the greater curvature of the stomach down over the coils of the intestine. (Doubles up on itselft o form a 4 layered structure of mesentary that attaches to the transverse colon)

Front 36

Name the 3 parts of the GO

Back 36

Gastrocolic, Gastrosplenic (gastrolineal) and Gastrophrenic

Front 37

What does the GO enclose?

Back 37

R and L gastroepiploic vessels

Front 38

Policeman of the peritoneal cavity; walls of areas of infection

Back 38

GO

Front 39

What does the gastrosplenic ligament enclose?

Back 39

Short gastric vessels

Front 40

The gastrosplenic ligament extends from the hilus of the spleen to what part of the stomach?

Back 40

Fundus of the stomach

Front 41

What does the splenorenal ligament enclose?

Back 41

Splenic vessels

Front 42

What does the transverese mesocolon enclose?

Back 42

middle colic vessels (branches of superior mesenteric)

Front 43

What does the sigmoid mesocolon enclose?

Back 43

sigmoid colon vessels (branches of inferior mesenteric)

Front 44

The intestine may strangulate in which fossa?

Back 44

Paraduodenal

Front 45

Name to 4 parts of the stomach

Back 45

Cardiac, fundus, body, pyloric part (antrum, canal, sphincter)

Front 46

Name the 3 parts of the pyloric part of the stomach

Back 46

Antrum, canal and sphincter

Front 47

The only part of the SI that is mostly retroperitoneal

Back 47

Duodenum

Front 48

Direct the flow of fluids toward the pelvis when standing

Back 48

Paracloic gutters

Front 49

Why are only the transverse and sigmoid colons mobile?

Back 49

during development, the asc and desc colon are forced against the posterior ab wall and their mesentery dissapears rendering them immobile

Front 50

Suspends the jejunum and ileum from the posterior ab wall

Back 50

THE Mesentery

Front 51

What does THE Mesentery enclose?

Back 51

intestinal and ileocolic vessels (superior mesenteric branches)

Front 52

Which nerves innervate the parietal peritoneum?

Back 52

somatic afferent fibers sensitive to pain, touch, temp and pressure. (Intercostal and subcostal nerves: T7-12, Phrenic, L1)

Front 53

Name some functions of the peritoneum

Back 53

ensures mobility of viscera, fat sotrage, conduit for lymph and BV and nerves, wall off infections, pushes fluid into the subphrenic spaces

Front 54

Large fossa that lies to the left of the ascending duodenum that may pose a threat for a hernia/strangulation

Back 54

Paraduodenal fossa

Front 55

When surgically repairing a paraduodenal hernia, what 2 arteries do you have to be careful of?

Back 55

Inferior mesenteric artery/vein and Ascending branches of the L colic artery