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GROSS 2 Exam 3 > Peritoneum > Flashcards

Peritoneum Flashcards

1
Q

Where does the peritoneum lie?

A

abdominal cavity

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2
Q

Parietal peritoneum does what?

A

lines abdominal wall

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3
Q

Visceral peritoneum does what?

A

covers abdominal organs

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4
Q

What is the peritoneal cavity?

A

potential space between parietal and visceral peritoneum, serous fluid inside

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5
Q

In males is the peritoneal cavity completely closed?

A

yes

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6
Q

In females is the peritoneal cavity completely closed?

A

no

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7
Q

Since peritoneal cavity is not closed in females what can happen?

A

infections of vagina can spread here

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8
Q

Functions of peritoneum?

A

minimize friction between organs, resist infection, fat storage

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9
Q

Retroperitoneal organs are what?

A

inferior vena cava
aorta
duodenum
pancreas

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10
Q

Where do retroperitoneal organs lie?

A

posterior to peritoneum and covered by peritoneum only on anterior surface

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11
Q

What is the innervation of the parietal peritoneum?

A 
phrenic nerve
intercostal nerves
subcostal nerve
iliohypogastric nerve
ilioinguinal nerve
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12
Q

Is the parietal peritoneum sensitive to pain?

A

yes very

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13
Q

What is the visceral peritoneum supplied by?

A

autonomic nerves which travel within organs it invests

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14
Q

Is the visceral peritoneum sensitive to pain?

A

no it feels no pain

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15
Q

What is the omentum?

A

broad, apronlike reflection of peritoneum

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16
Q

What are the two omentum?

A

greater and lesser omentum

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17
Q

Greater omentum is what?

A

large apronlike structure which hangs from greater curvature of the stomach, covering abdominal viscera

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18
Q

How many parts does the greater omentum have?

A

3

19
Q

What are the three parts of the greater omentum?

A 
Gastrophrenic ligament (between stomach and diaphragm)
Gastrosplenic ligament (between stomach and spleen)
Gastrocolic ligament (between greater curvature of stomach and transverse colon)
20
Q

What does the greater omentum due when they see infection?

A

wraps itself around organ that is inflamed preventing spread of infection

21
Q

What is the lesser omentum?

A

double layer of peritoneum which extends from porta hepatis of liver to lesser curvature of stomach

22
Q

How many parts does the lesser omentum have?

A

2

23
Q

What are the two parts of the lesser omentum?

A 
Hepatogastric ligament (between liver and lesser curve of stomach)
Hepatoduodenal ligament (between liver and duodenum)
24
Q

What do peritoneal ligaments do?

A

connects organs to one another or to body wall

25
Q

What is general mesentery?

A

double layer of peritoneum which connects portion of intestine to body wall

26
Q

What is specific mesentery?

A

double layer of peritoneum which connects the jejunum and ileum to the body wall

27
Q

What is the transverse mesocolon?

A

connects transverse colon to posterior body wall

28
Q

What is sigmoid mesocolon?

A

connects sigmoid colon to pelvic wall

29
Q

What is mesoappendix?

A

connects appendix to mesentery of ileum

30
Q

What does the phrenicocolic ligament do?

A

attaches left colic flexure to diaphragm below the spleen

31
Q

What is the subdivisions of the peritoneal cavity?

A

omental bursa and greater sac

32
Q

Omental bursa is what?

A

irregularly shaped space that is a closed sac except for its opening into greater sac through omental foramen

33
Q

Greater sac is what?

A

diaphragm to pelvic floor

34
Q

What are the 5 divisions of the greater sac?

A 
right subphrenic space
left subphrenic space
subhepatic space
right paracolic gutter
left paracolic gutter
35
Q

What is the hepatorenal recess an extension of?

A

subhepatic space

36
Q

Where is the right subphrenic space located?

A

below diaphragm, above liver, right of falciform ligament

37
Q

Where is the left subphrenic space located?

A

below diaphragm, above liver, left of falciform ligament

38
Q

Where is the subhepatic space located?

A

between liver and transverse colon

39
Q

Where is the right paracolic gutter?

A

longitudinal depression lateral to ascending colon

40
Q

Where is the left paracolic gutter?

A

longitudinal depression lateral to descending colon

41
Q

Why are the greater sac spaces important?

A

because they channel and compartmentalize peritoneal fluid and infectious processes

42
Q

What is the omental foramen?

A

opening between omental bursa and greater sac

43
Q

What are the boundaries of the omental foramen?

A

liver (superiorly)
first part of duodenum (inferiorly)
free edge of lesser omentum (anteriorly)
peritoneum covering inferior vena cava (posteriorly)

44
Q

What structures pass through porta hepatis?

A 
bile duct (to right)
hepatic artery proper (to left)
portal vein (behind)

GROSS 2 Exam 3 (19 decks)

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