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Anatomy > Anatomy abdomen 3 > Flashcards

Anatomy abdomen 3 Flashcards

1
Q

What is the peritoneal cavity?

A

Peritoneal cavity is a potential space

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2
Q

In what sex the peritoneal cavity closed?

A

Males

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3
Q

Why is the peritoneal cavity open in females?

A

Communication with the exterior via the vagina, uterus and uterine tubes in females

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4
Q

What does the parietal peritoneum line?

A

Lines the walls of the
abdominal and pelvic
cavities

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5
Q

What does the visceral peritoneum line?

A

Lines the abdominal and
pelvic organs/viscera

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6
Q

What is the parietal peritoneum sensitive to?

A

Sensitive to:
* Pain
* Temperature
* Touch
* Pressure

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7
Q

What is the parietal peritoneum innervated by?

A

Innervated by T7 – L1

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8
Q

What is the visceral peritoneum sensitive to?

A

Sensitive only to:
* Stretch
* Tearing

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9
Q

What does over distension of the visceral peritoneum lead to?

A

Over distension of the viscera
leads to sensation of pain

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10
Q

What is the visceral peritoneum innervated by?

A

Innervated by afferent nerves
that travel with autonomic
supply to viscera it covers

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11
Q

What are intraperitoneal organs?

A

Organs are completely covered with
visceral peritoneum

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12
Q

How are intraperitoneal organs attached?

A

Organs are attached to each other or
to the abdominal wall by a double
fold of peritoneum

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13
Q

What can this double fold of peritoneum that attaches organ to abdominal wall be?

A

-Mesentery
-Ligaments
-Omentum

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14
Q

What are extraperitoneal organs?

A

Organs are partially or entirely
devoid of peritoneum

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15
Q

Where do extraperitoneal organs lie?

A

They lie outside peritoneal cavity.

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16
Q

What is the function of the peritoneal folds?

A

-Routes of blood vessels, lymphatics and nerves
-Immunity
-Prevents effects of gravity

17
Q

What omentum contains a higher volume of fat?

A

-Greater omentum(high volume)
-Lesser omentum(Devoid of fat)

18
Q

What is the policeman of the abdomen?

A

Greater omentum is the policeman of abdomen

19
Q

What does the peritoneal recess allow organs to do?

A

allows organs
to expand and glide over one
another

20
Q

Why are peritoneal recess clinically relevant?

A

They are
potential sites for:
* Accumulation of fluid (pus, fibrin,
blood)
* Internal herniation of
abdominopelvic viscera
* Constriction of intestines

21
Q

What is the developing foregut suspended from in the anterior body wall?

A

Anterior body wall by ventral mesentery/mesogastrium

22
Q

What is the developing foregut suspended from in the posterior body wall?

A

Posterior body wall by dorsal mesentery/mesogastrium

23
Q

What is mesentery?

A

Double fold of peritoneum

24
Q

What is the lesser omentum?

A

Double fold of peritoneum that connects the
Liver to the lesser curvature of the stomach
and first part of duodenum

25
Q

What are the 2 ligaments involved in the attachment of the liver to the lesser curvature of the stomach?

A

1) Hepatogastric ligament
2) Hepatoduodenal ligament

26
Q

Where does the portal triad run and what are its content?

A
  1. Common bile duct
  2. Proper hepatic artery
  3. Hepatic portal vein
27
Q

What is the epiploic foramen?

A

Opening into lesser sac (omental bursal)

28
Q

What are the superior, inferior, posterior and anterior boundaries of the epipoloic foramen?

A
  • Superior: Caudate process of liver
  • Inferior: 1st part of duodenum
  • Posterior: Inferior vena cava and right
    crus of diaphragm
  • Anterior: Portal triad (in free edge of
    lesser omentum)
29
Q

What is the greater omentum?

A

Double fold of peritoneum folded back on its self (four layers),
forming an apron like structure that hangs from the greater
curvature of stomach

30
Q

What is the transverse mesocolon?

A

The transverse mesocolon is a double fold of peritoneum that
connects transverse colon to the posterior abdominal wall

31
Q

What is the anterior layer of the transverse mesocolon attached to?

A

Anterior layer of transverse
mesocolon is attached to the
posterior layer of greater
omentum

32
Q

What is the mesentery?

A

Fan-shaped double fold of peritoneum that suspends
the jejunum and ileum from the posterior abdominal
wall

33
Q

What are the contents of the mesentery?

A

Superior mesenteric artery (1) + vein (2)

34
Q

Approximately how long are the roots of the mesentery?

A

Approx. 15cm long

35
Q

How does the root of the mesentery course?

A

Oblique course

Anatomy (12 decks)

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