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Visceral Anatomy > Abdominal Wall > Flashcards

Abdominal Wall Flashcards

1
Q

Describe the fascia of the abdominal wall

A
  • Loose CT
  • Little to a lot of adipose tissue
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2
Q

Types of superfiscial fascia on the abdominal wall

A
  • Camper’s fascia
  • Scarpa’s fascia
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3
Q

This type of superficial fascia is loose carrying

A

Camper’s fascia

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4
Q

This type of superficial fascia is considered the deeper layer

A

Scarpa’s fascia

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5
Q

This superficial fascia is where most of the adipose tissue is located

A

Camper’s fascia

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6
Q

This type of superficial fascia is more elastic tissue and very little fat

A

Scarpa’s fascia

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7
Q

Deep fascia functions

A
  • Encases the muscles
  • Allows muscles to move independently
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8
Q

Functions of abdominal muscles

A
  • Increase abdominal pressure (cough vomit, bearing down)
  • Trunk flexion
  • Turns the trunk
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9
Q

Name the 5 abdominal muscles

A
  • External abdominal oblique
  • Internal abdominal oblique
  • Transverse abdominis
  • Rectus abdominis
  • Pyramidalis
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10
Q

Abdominal muscles described as flat muscles that start posterolaterally and transverse anterior to form an aponeurosis

A
  • External oblique
  • Internal oblique
  • Transverse abdominis
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11
Q

Abdominal muscles described as vertical muscles near the midline and enclosed in a tendinous sheath

A
  • Rectus abdominus
  • Pyramidalis
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12
Q

Most superficial of the flat abdominal muscles

A

External oblique

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13
Q

External oblique proximal attachment

A

Lower 7-8 ribs

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14
Q

External oblique distal attachment

A
  • Aponeurosis at linea alba
  • Lateral lip of iliac crest and ASIS
  • Public tubercle
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15
Q

How do the external oblique muscle fibers run?

A

Inferomedially

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16
Q

What does the external oblique aponeurosis form?

A
  • Inguinal ligament
  • Floor of inguinal canal
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17
Q

Middle layer of the flat abdominal muscles

A

External abdominal oblique

18
Q

External oblique proximal attachment

A
  • Thoracolumbar fascia on the back
  • Middle portion of iliac crest
  • Lateral 2/3s of inguinal ligament
19
Q

External oblique distal attachment

A
  • Aponeurosis at linea alba
  • Lower border of ribs
  • Pubic crest
20
Q

How to the external oblique muscle fibers run?

A
  • Upper fibers: superomedially
  • Lower fibers: Inferomedially
21
Q

Deepest layer of the flat abdominal muscles

A

Transverse abdominis

22
Q

Transverse abdominis proximal attachement

A
  • Iliac crest
  • Lateral 1/3rd of inguinal ligament
23
Q

Transverse abdominis distal attachment

A
  • Aponeurosis at linea alba
  • Pubic crest
24
Q

How to the fibers of the transverse abdominis run?

A

Transversely (no shit buddy)

25
Q

This abdominal muscle is medially located and extends the entire length of the abdominal wall

A

Rectus abdominis

26
Q

What separates the rectus abdominis?

A

Linea alba

27
Q

What is found along the length of the rectus adominis?

A

Tendinous intersections (3-4 of them)

28
Q

Lateral border of each segment of the rectus abdominis

A

Linea semilunar

29
Q

How to the fibers of the rectus abdominis run?

A

Vertically (rectally? vertically)

30
Q

Where does the pyramidalis run?

A

Pubis to linea alba

31
Q

Pyramidalis function

A

Tenses the linea alba (if present)

32
Q

Deep fascia encapsulating the 3 flat abdominal muscles

A

Transversalis fascia

33
Q

The transversalis fascia blends with the fascia of what?

A

Inferior diaphragm (superiorly)

34
Q

What does the transversalis fascia enter?

A
  • Pelvic cavity (inferiorly)
  • Your mom (posteriorly)
35
Q

Aponeurosis of 3 flat muscles form a sheath around the rectus abdominis muscle

A

Rectus sheath

36
Q

Aponeurosis of 3 flat muscles form a sheath around the rectus abdominis muscle

A

Rectus sheath

37
Q

What does the rectus sheath’s midline fuse as?

A

Linea alba

38
Q

1/3rd of the way from the umbilicus to the pubis, the poserior recus sheath ends this, what is this termination called?

A

Arcuate line

39
Q

Serous membrane that envelops the abdominal cavity

A

Peritoneum

40
Q

Layers of the peritoneum

A
  • Parietal
  • Visceral
41
Q

The parietal peritoneum lies deep to what?

A

Transversalis fascia

42
Q

What separates the peritoneal layers?

A

Extraperitoneal fascia

Visceral Anatomy (8 decks)

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