Abdomen

Question 1

peritoneal-derived structures as landmarks

Answer 1

• peritoneum (visceral and parietal)
• mesentery
• greater omentum
• lesser omentum (hepatogastric ligament, hepatoduodenal ligament)
• greater/lesser sacs

Question 2

three aspects of the large intestine

Answer 2

ascending colon
transverse colon
descending colon

Question 3

aspects of the small intestine

Answer 3

duodenum
jejunem
ileum

Question 4

what is the peritoneum

Answer 4

• serous membrane that lines abdominal cavity
• covers the viscera/organs contained within the abdominal cavity

Question 5

what is mesentery

Answer 5

2 layers of peritoneum are continuous
a route for nerves, arteries, and veins

Question 6

what is the greater omentum

Answer 6

greater curvature of stomach to the transverse colon

Question 7

what is the lesser sac

Answer 7

sac-like cavity, posterior to the lesser omentum and stomach
- extending from the diaphragm/liver to ‘space’ between layers of greater omentum

Question 8

what does the lesser sac allow

Answer 8

allows free movemnt of stomach and other organs

Question 9

what is the omental foramen (epiploic foramen)

Answer 9

how the lesser sac communicates with the greater sac

Question 10

what is the lesser omentum made of

Answer 10

-hepatogastric ligament
-hepatoduodenal ligament

Question 11

what is the doorway into the lesser sac called

Answer 11

omental/epiploic foramen
omental bursa

Question 12

what is in the anterior aspect of the lesser omentum

Answer 12

bile passage
hepatic artery
portal vein

Question 13

what is in the posterior aspect of the lesser omentum

Answer 13

IVC
abdominal aorta

Question 14

what is the greater omentum made of

Answer 14

4 layers of visceral peritoneum

Question 15

intraperitoneal structures are _______ covered by visceral

Answer 15

completely

Question 16

how are intraperitoneal structures anchored

Answer 16

mesentery (double layered peritoneum)

Question 17

what structures are considered intraperitoneal structures

Answer 17

• stomach
• spleen
• liver
• transverse colon
• sigmoid colon
• SI (part of duodenum)
• appendix
• uterus

Question 18

where is the retroperitoneal structures

Answer 18

outside of the peritoneal cavity (posterior)

Question 19

what is the retroperitoneal structures relationship to peritoneum

Answer 19

• usually partially covered by parietal peritoneum on anterior surface

Question 20

retroperitoneal structures

Answer 20

• esophagus
• SI (parts of duodenum)
• ascending, proximal and descending colon
• proximal rectum
• pancreas
  -abdominal aorta
  -IVC
• kidneys

Question 21

what does the mesentery do

Answer 21

suspends/anchors intraperitoneal structures to body wall

Question 22

what is the less omentum

Answer 22

• double layered peritoneal fold
• lesser curvature of stomach and proximal part of duodenum –> liver

Question 23

what is the greater omentum made from

Answer 23

4 layers of viseral peritoneal (2x double-layers)

Question 24

where does the greater omentum descend from

Answer 24

the greater curvature of the stomach and proximal part of the duodenum
- folds back and attaches to transverse colon