Peritoneum and Peritoneal Cavity Flashcards Preview

Gross III Exam 2 > Peritoneum and Peritoneal Cavity > Flashcards

Flashcards in Peritoneum and Peritoneal Cavity Deck (64)
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What is the parietal peritoneum

lining of the internal surface of the abdominopelvic cavity

1

What is the visceral peritoneum

covering of the abdominopelvic viscera

2

How is the parietal peritoneum innervated

somatic sensory innervation via adjacent dermatome

3

What is the innervation of the visceral peritoneum

-no somatic sensory innervation
-visceral afferent innervation may result in referred pain

4

What does the peritoneal fluid do

lubricates visceral surfaces for friction-free digestion
-contains leukocytes and antibodies to fight infections

5

Where does the peritoneal cavity open to exterior in males and females

females: uterine tubes
males: closed

6

What is the peritoneal cavity

space present between parietal and visceral peritoneum

7

What covers the intraperitoneal organs

almost completely covered by visceral peritoneum
**not inside the peritoneal cavity however (misnomer)

8

What suspends the intraperitoneal organs embryonically

suspended by mesentery and remain suspended in the adult

9

What covers retroperitoneal organs

only partially covered by parietal peritoneum

10

Where are the retroperitoneal organs located

external or posterior to peritoneal cavity
--one side is covered with parietal peritoneum and the rest with adventitia

11

Where are the Primarily Retroperitoneal organs found and which organs are primarily retroperitoneal

embryonically behind peritoneum and stay there in the adult
--suprarenal gland, kidney, ureter, uterus, ovary, aorta, IVC

12

Which organs are Secondarily Retroperitoneal and how are they formed embryonically

embryonically intraperitoneal, but become retroperitoneal due to return of gut
--duodenum, ascending/descending colon. pancreas, rectum

13

What is peritonitis

painful condition due to inflammation of the peritoneum
-occurs when peritoneum is injured or infected

14

What is peritonitis a response to

ascites
--fluid is normally resorbed by peritoneum as inflammation subsides

15

How does ascitic fluid flow in peritonitis

flow along gutters
-reabsorption is slow in pelvis
-reabsorption is best on inferior surface of diaphragm
--patients often encouraged to recline or lie supine

16

What often occurs as a result of peritonitis

Adhesions between parietal and visceral layers is common
-can cause pain and might cause volvulus

17

What are the 5 peritoneal folds found inferior to umbilicus

median umbilical fold (1)
medial umbilical folds (2)
lateral umbilical folds (2)

18

Where is the median umbilical fold and what is contained within it

from apex of urinary bladder to umbilicus
-contains the median umbilical lig (urachus)

19

Where is the medial umbilical fold and what is contained in it

located laterally on either side of the median umbilical fold
--contains medial umbilical lig (obliterated umbilical a)

20

Where is the lateral umbilical folds found and what is contained in them

located laterally on either side of the medial umbilical folds
--contains the inferior epigastric a,v

21

What are the 3 paired shallow depressions present among the peritoneal folds

supravesical fossa
medial inguinal fossa
lateral inguinal fossa

22

Where is the suravesical fossa

between the median and medial umbilical folds
--parietal peritoneum reflects from anterior wall to urinary bladder here

23

What is another name for medial inguinal fossa

Hesselbachs Triangle

24

What are the borders of the medial inguinal fossa (hesselbachs)

inferior epigastric a,v
inguinal lig
lateral border of rectus abdominis

25

Where is hesselbachs triangle located and what often occurs here

medial and lateral umbilical folds
--site for direct inguinal hernia

26

Where is the lateral inguinal fossa

lateral to the lateral umbilical fold

27

What is located in the lateral inguinal fossa

deep inguinal ring located here

28

What can occur in the lateral inguinal fossa

site for indirect inguinal hernia

29

What is the falciform lig

sagittal peritoneal fold between anterior abdominal wall and liver