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Gross II > Exam 3: Anterior Abdominal Wall > Flashcards

Exam 3: Anterior Abdominal Wall Flashcards

1
Q

Midclavicular plane

A

Vertical planes extend inferiorly from midpoints of clavicle to midpoint between ASIS and pubic symphysis

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2
Q

Subcostal plane

A

Horizontal plane joining lowest point of costal margin on each side — L3 level

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3
Q

Transtubercular Plane

A

Horizontal plane that joins tubercles of iliac crests — L5 level

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4
Q

Midclavicular planes, subcostal plane and transtubercular plane together divide abdomen into

A

9 regions

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5
Q

Liver lies mostly in what regions

A

Right hypochondrium and epigastric

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6
Q

Spleen and fundus and body of stomach are found in what region

A

Left hypochondrium

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7
Q

Quadrant system uses what planes

A 
Median plane (vertical)
Transumbilical plane (horizontal)
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8
Q

Umbilicus is a _____ landmark which lies between ____

A

Variable; L2-5

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9
Q

2 layers of superficial fascia

A 
Superficial layer (Camper’s)
Deep layer (Scarpa’s)
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10
Q

Superficial (Camper’s) Fascia

A

Thin fatty layer, continuous w/ superficial fascia of perineum and thigh

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11
Q

Deep Layer (Scarpa’s) Fascia

A

Membranous layer, firmly fastened to fascia lata of the thigh

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12
Q

Thin layer of superficial fascia covers

A

Each anterior abdominal wall muscles

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13
Q

Linea alba is a median tendinous raphe that runs from

A

Xiphoid process to pubic symphysis

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14
Q

Anterolateral muscles

A

External oblique
Internal oblique
Transversus abdominis

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15
Q

External oblique muscle fibers run

A

Downward and forward

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16
Q

Internal oblique muscle fibers run

A

Downward and backward

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17
Q

Transversus abdominis muscle fibers run

A

Horizontally

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18
Q

External oblique innervation

A

Anterior primary rami of lower 6 T nerves

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19
Q

Internal oblique innervation

A

Anterior primary rami of lower 6 T and L1 nerves

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20
Q

Transversus abdominis innervation

A

Anterior primary rami of lower 6 T and L1 nerves

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21
Q

Anterior muscles of the abdomen

A

Rectus abdominis

Pyramidalis

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22
Q

Rectus abdominis innervation

A

Anterior primary rami of lower 6 T nerves

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23
Q

Linea semilunaris

A

Curved line along lateral border of rectus abdominis

24
Q

Tendinous intersections

A

Bundles of CT that run transversely across rectus abdominis

Fuse w/ rectus sheath

25
Q

Pyramidalis muscle

A

Small and often absent

Slip of muscle anterior to rectus abdominis

26
Q

Pyramidalis muscle innervation

A

Subcostal nerve

27
Q

Low back pain is often related to

A

Weak abdominal muscles

28
Q

Rectus sheath is like an

A

Envelope

29
Q

Rectus sheath encloses

A
  1. Rectus abdominis
  2. Pyramidalis
  3. Superior epigastric A and V
  4. Inferior epigastric A and V
  5. Anterior primary rami of lower 6 T nerves
30
Q

What is the Arcuate line

A

Crescent shaped line in posterior layer of rectus sheath

31
Q

Location of arcuate line

A

Midway between umbilicus and pubic crest

32
Q

Anterior layer of rectus sheath ABOVE arcuate line

A

Aponeuroses of external and internal oblique muscles

33
Q

Posterior layer of rectus sheath ABOVE arcuate line

A

Aponeuroses of internal oblique and transversus abdominis

34
Q

Above arcuate line aponeurosis of _____ splits to enclose ______

A

Internal oblique; rectus abdominis

35
Q

Anterior layer of rectus sheath BELOW arcuate line

A

Aponeuroses of external and internal oblique and transversus abdominis

36
Q

Posterior layer of rectus sheath BELOW arcuate line

A

Transversalis fascia

37
Q

5 folds of anterior abdominal wall

A

Median
Medial (x2)
Lateral (x2)

38
Q

Median umbilical fold extends from

A

Apex of bladder to umbilicus

39
Q

Median umbilical fold contains

A

Urachus

40
Q

Medial umbilical fold extends from

A

Side of bladder to umbilicus

41
Q

Medial umbilical fold contains

A

Obliterated umbilical artery

42
Q

Lateral umbilical fold extends from

A

Deep inguinal ring to arcuate line

43
Q

Lateral umbilical fold contains

A

Inferior epigastric vessels

44
Q

Folds form boundaries between

A

3 paired fossa:

  1. Supravesical
  2. Medial inguinal
  3. Lateral inguinal
45
Q

Supravesical fossa between

A

Median and medial umbilical folds

46
Q

Medial inguinal fossa between

A

Medial and lateral umbilical folds

47
Q

Lateral inguinal fossa location

A

Lateral to lateral umbilical fold

48
Q

Ligamentum teres location

A

Above umbilicus

49
Q

Ligamentum teres contains

A

Obliteraled umbilical veins

50
Q

Ligamentum teres forms free edge of

A

Falciform ligament

51
Q

Superior epigastric artery is from

A

Internal thoracic artery

52
Q

Inferior epigastric artery is from

A

External iliac artery

53
Q

Lumbar arteries are from

A

Abdominal aorta

54
Q

Deep circumflex iliac artery is from

A

External iliac artery

55
Q

Lower 6 T nerves run between

A

Internal oblique and transversus abdominis

Gross II (29 decks)

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