Ach Lab 2-Peritoneum Flashcards

1
Q

What is the largest serous cavity in the body?

A

Peritoneal cavity

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2
Q

What is Ascites?

A

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

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3
Q

What are the 3 specializations of peritoneum?

A

Mesentery
Omentum
Ligament

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4
Q

What is a mesentery made up of?

A

2 layers of peritoneum

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5
Q

What is an Omentum?

What are the 2?

A

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

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6
Q

What are the 3 parts to the greater omentum?

What is it derived from?

A

Gastrocolic
Gastrosplenic
Gastrophrenic

Dorsal mesentery

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7
Q

What is the lesser omentum derived from?

What are its 2 parts?

A

Ventral mesentery.

Hepatoduodenal and hepatogastric ligaments

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8
Q

What are the folds of the dorsal mesentery separated by?

A

Omental bursa (lesser sac)

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9
Q

What do peritoneal ligaments do?

A

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

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10
Q

What connects the Greater & Lesser Sacs?

A

Omental (Epiploic) Foramen

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11
Q

What does the entire GI tract develop from?

A

Gut tube

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12
Q

What mesentery contributes to the falciform ligament?

A

Ventral

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13
Q

What supplies the foregut?

A

Celiac trunk

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14
Q

What supplies the midgut?

A

superior mesenteric artery

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15
Q

what supplies the hindgut?

A

inferior mesenteric artery

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16
Q

What is an intraperitoneal organ?

A

an organ sandwiched between layers of vasculature

17
Q

What is a retroperitoneal organ?

A

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

18
Q

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

A

behind it

19
Q

What are the attachments of the greater omentum?

A

Greater curvature of the stomach and the transverse colon

20
Q

What part of the stomach surrounds the cardiac orifice?

A

Cardia

21
Q

What is the dilated superior part of the stomach?

A

Fundus

22
Q

What part of the stomach attaches to the duodenum?

A

Pyloric part

23
Q

When does Jejunum begin?

A

When the intestine becomes intraperitoneal at the duodenal-jejunal flexure

24
Q

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

A

Secondarily retroperitoneal

25
Q

What is the ligamentum teres a remnant of?

A

Fetal left umbilical vein

26
Q

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

A

Bare area

27
Q

What does the liver arise from?

A

Septum transversum (mesenchyme) and an outrgrowth of the gut

28
Q

Which ligament of the Lesser Omentum contains the portal triad?

A

Hepatoduodenal ligament

29
Q

What is the portal triad?

A

Portal vein
Common bile duct
Hepatic artery proper

30
Q

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

A

Kidneys

Suprarenal glands

31
Q

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

A

L1

Iliohypogastric

32
Q

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
A
  1. The superior mesenteric artery is the axis of rotation of the midgut loop.
33
Q

What anatomical feature would you use to identify the colon?

  1. circular folds
  2. epiploic appendages
  3. falciform ligament
  4. the mesentery
  5. Rugae
A
  1. Epiploic appendages
34
Q

The artery of the midgut is the:

A

Superior mesenteric artery

35
Q

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

A

Coronary ligament