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NME > Peritoneal Cavity > Flashcards

Peritoneal Cavity Flashcards

1
Q

What is the peritoneum?

A

Layer of serous membrane comprising connective tissue and squamous epithelium which lines the abdominal cavity

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2
Q

What two components are there to the peritoneum?

A

Parietal

Visceral

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3
Q

What does the parietal peritoneum adhere to?

A

Anterior and posterior abdo walls
Undersurface of diaphragm
Cavity of pelvis

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4
Q

The parietal peritoneum is made of extra-peritoneal connective tissue. What exactly is the comprised of?

A

Loose areolar tissue
Dense fibrous tissue
Fat

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5
Q

The parietal peritoneum anchors which retroperitoneal structures?

A

Pancreas
Duodenum
Ascending and descending colon

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6
Q

What segmental spinal nerves supply the parietal peritoneum?

A

Intercostal
Diaphragm
Lumbar

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7
Q

The visceral peritoneum passes over the front of which organs?

A

Duodenum

Right and left colon

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8
Q

What happens to the visceral peritoneum to form a messentery?

A

Splits around an organ

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9
Q

What nerves supply the visceral peritoneum?

A

Visceral nerves

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10
Q

What does the foregut comprise of?

A 
Oesophagus
Stomach
Proximal half of duodenum
Liver
Pancreas
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11
Q

What does the midgut comprise of?

A 
Distal half of duodenum
Jejunum
Ileum
Cecum
Ascending and 3/4 Transverse colon
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12
Q

What does the hindgut comprise of?

A

1/4 transverse, descending and sigmoid colon, rectum

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13
Q

What is the primitive gut held in position by?

A

Mesenteries (mesodermal origin)

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14
Q

What is a mesentery?

A

double layer of peritoneum

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15
Q

The mesentery is a pathway for what?

A

blood and lymphatic vessels

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16
Q

Which part of the mesentery degenerates except in relation to foregut?

A

ventral

17
Q

What are the two parts of the mesentery?

A

dorsal

ventral

18
Q

What does the dorsal mesentery give rise to?

A

Gastrosplenic ligament
Lienorenal ligament
Greater omentum
Mesentery of small and large bowel

19
Q

What does the dorsal mesentery attach gut organs to?

A

posterior abdo wall

20
Q

What does the ventral mesentery give rise to?

A

Ligaments around the liver
Falciform ligament
Lesser omentum

21
Q

What is the peritoneal cavity?

A

Potential space between serous coated organs

22
Q

What are the two spaces in the peritoneal cavity?

A 
Greater sac (Coelom)
Lesser sac - out-pouch of greater sac behind stomach
23
Q

What is the greater sac of the peritoneal cavity divided into?

A

Supra colic compartment

Infra-colic compartment

24
Q

What divides the supra colic and infra colic compartment of the peritoneal cavity?

A

Transverse mesocolon

25
Q

What upper abdominal organs are within the supra colic compartment?

A

Stomach
Liver and biliary tree
Pancreas
Spleen

26
Q

Where does the supra colic compartment of the greater sac in the peritoneal cavity lie?

A

Under the costal margin

Below diaphragm

27
Q

What support ligaments does the supra colic compartment of the greater sac have?

A

Gastorphrenic
Gastrosplenic
Lienorenal

28
Q

What is the greater omentum of the supra colic compartment?

A

Two layers of the parietal peritoneum fused and extend from stomach and proximal duodenum to lay over infra colic compartment contents.

29
Q

What does the greater omentum of the supra colic compartment contain?

A

Fat
Blood vessels
Lymphatics

30
Q

Where is the lesser sac of the supra colic compartment located?

A

Behind stomach

Anterior to pancreas and great vessels in retroperitoneum

31
Q

How does the lesser sac communicate with the greater sac in the supra colic compartment?

A

Epiploic foramen

32
Q

What is the anatomical position of the epiploic foramen?

A

Anterior –hepatoduodenal ligament
Posterior –inferior vena cavaand the right crus of thediaphragm
Superior – caudate lobe of theliver
Inferior – superior part of theduodenum

NME (9 decks)

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