Ach Lab 2-Peritoneum

Question 1

What is the largest serous cavity in the body?

Answer 1

Peritoneal cavity

Question 2

What is Ascites?

Answer 2

An abnormal accumulation of fluid in the peritoneal cavity due to some disease process

Question 3

What are the 3 specializations of peritoneum?

Answer 3

Mesentery
Omentum
Ligament

Question 4

What is a mesentery made up of?

Answer 4

2 layers of peritoneum

Question 5

What is an Omentum?

What are the 2?

Answer 5

Folds of peritoneum connecting the stomach to another organ.
Lesser omentum: between the stomach and the liver
Greater omentum: between the stomach and the colon

Question 6

What are the 3 parts to the greater omentum?

What is it derived from?

Answer 6

Gastrocolic
Gastrosplenic
Gastrophrenic

Dorsal mesentery

Question 7

What is the lesser omentum derived from?

What are its 2 parts?

Answer 7

Ventral mesentery.

Hepatoduodenal and hepatogastric ligaments

Question 8

What are the folds of the dorsal mesentery separated by?

Answer 8

Omental bursa (lesser sac)

Question 9

What do peritoneal ligaments do?

Answer 9

Suspend a less mobile organ from the abdominal wall or attaches it to another organ

Question 10

What connects the Greater & Lesser Sacs?

Answer 10

Omental (Epiploic) Foramen

Question 11

What does the entire GI tract develop from?

Answer 11

Gut tube

Question 12

What mesentery contributes to the falciform ligament?

Answer 12

Ventral

Question 13

What supplies the foregut?

Answer 13

Celiac trunk

Question 14

What supplies the midgut?

Answer 14

superior mesenteric artery

Question 15

what supplies the hindgut?

Answer 15

inferior mesenteric artery

Question 16

What is an intraperitoneal organ?

Answer 16

an organ sandwiched between layers of vasculature

Question 17

What is a retroperitoneal organ?

Answer 17

an organ outside of the peritoneal cavity that has peritoneum only on their anterior surface

Question 18

Where is the lesser sac located in relation to the stomach?

Answer 18

behind it

Question 19

What are the attachments of the greater omentum?

Answer 19

Greater curvature of the stomach and the transverse colon

Question 20

What part of the stomach surrounds the cardiac orifice?

Answer 20

Cardia

Question 21

What is the dilated superior part of the stomach?

Answer 21

Fundus

Question 22

What part of the stomach attaches to the duodenum?

Answer 22

Pyloric part

Question 23

When does Jejunum begin?

Answer 23

When the intestine becomes intraperitoneal at the duodenal-jejunal flexure

Question 24

How would you describe the placement of the ascending and descending colon?

Answer 24

Secondarily retroperitoneal

Question 25

What is the ligamentum teres a remnant of?

Answer 25

Fetal left umbilical vein

Question 26

What area of the liver is in contact with the diaphragm with no peritoneum intervening?

Answer 26

Bare area

Question 27

What does the liver arise from?

Answer 27

Septum transversum (mesenchyme) and an outrgrowth of the gut

Question 28

Which ligament of the Lesser Omentum contains the portal triad?

Answer 28

Hepatoduodenal ligament

Question 29

What is the portal triad?

Answer 29

Portal vein Common bile duct Hepatic artery proper

Question 30

What organs are primary retroperitoneal (develop outside peritoneal cavity)?

Answer 30

Kidneys | Suprarenal glands

Question 31

What are the Iliohypogastric nerve and Ilioinguinal nerve derived from? Which one is more superior?

Answer 31

L1 | Iliohypogastric

Question 32

Which of the following is true regarding development of the gut? 1. Liver is non-functional 2. Portal triad comes to lie within the dorsal mesentery? 3. The sigmoid colon is retroperitoneal 4. The stomach rotates around its longitudinal axis such that the ventral border becomes the greater curvature 5. The superior mesenteric artery is the axis of rotation of the midgut loop

Answer 32

5. The superior mesenteric artery is the axis of rotation of the midgut loop.

Question 33

What anatomical feature would you use to identify the colon? 1. circular folds 2. epiploic appendages 3. falciform ligament 4. the mesentery 5. Rugae

Answer 33

2. Epiploic appendages

Question 34

The artery of the midgut is the:

Answer 34

Superior mesenteric artery

Question 35

What structure forms a boundary of the bare area of the liver?

Answer 35

Coronary ligament