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Gross > Abdominal wall continued againnnnn > Flashcards

Abdominal wall continued againnnnn Flashcards

1
Q

This muscle is not always present

-Does not cross the hip

A

Psoas minor muscle

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2
Q

Where does the psoas minor attach?

A

Iliopectineal arch to the superior pubic ramus

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3
Q

What is the main function of the psoas minor muscle

A

proprioceptive

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4
Q

Does the thoracolumbar fascia contribute to the posterior abdominal wall?

A

Yes

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5
Q

Since the posterior wall is NOT flat, what are the 2 components that lie on each side of the central prominence

A

the 2 paravertebral gutters

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6
Q

What lies in the paravertebral gutters and are incased in fat

A

The kidneys

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7
Q

The anterior fascial covering of the QL is continuous with the…

A

Transverse abdominal muscle

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8
Q

The QL thickens superiorly to from the _____

A

Lateral arcuate ligament

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9
Q

If you lose abducting power by the gluteus medius m, ______ (a muscle) lifts the hemipelvis to initiate abduction

A

The QL

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10
Q

These muscles…

  • Travel deep into the inguinal ligament
  • Attach on the lesser trochanter of the femur
  • Stabilize the hip joint
A

-Psoas major
-Iliacus
(iliopsoas)

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11
Q

This muscle plays a role in laterally flexing the vertebral column?

A

Psoas major

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12
Q

What is the innervation for the psoas major

A

Upper lumbar anterior rami

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13
Q

What is the innervation for the iliacus

A

Femoral nerve

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14
Q

What are the 3 muscular parts of the diaphragm?

A
  • Sternal part
  • Costal part
  • Lumbar part
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15
Q

The 3 muscular parts attach to structures to form _____

A

The inferior thoracic aperture

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16
Q

The _____ crosses the midline to form the esophageal hiatus

A

Right crus

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17
Q

There are paired ______ and _____ arcuate ligament and a single ______ arcuate ligament

A 
Paired= Lateral and medial 
Single= median
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18
Q

What is the blood supply for the diaphragm?

A
  • Pericardiacophrenic artery

- Superior and inferior phrenic artery

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19
Q

This nerve…

  • Supplies the oblique muscles
  • Skin over the anterolateral abdominal wall (superior to iliac crest and inferior to umbilicus)
A

Subcostal nerves (T12)

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20
Q

This nerve…

  • Splits
  • More superior nerve of the split
  • Travels across the QL and it pierces the transverse abdominal layer
  • Penetrates back wall and gives cutaneous branches
A

Iliohypogastric Nerve (L1)

21
Q

What does the iliohypogastric nerve innervate?

A
  • Skin over iliac crest
  • upper inguinal and hypogastric regions
  • superiolateral quadrant of butt
  • Internal oblique
  • Transverse abdominal muscle
22
Q

This nerve…

  • More inferior to the split
  • Travels closer to the ASIS
  • Travels down the inguinal canal to the testes
A

Ilioinguinal Nerve (L1)

23
Q

What does the ilioinguinal nerve innervate?

A
  • Skin over the lower inguinal region
  • Mons pubis
  • Labia majora
  • Anterior scrotum
  • Adjacent medial thigh
  • Inferior most internal oblique and transverse abdominal muscles
24
Q

This nerve…

-Pierces the psoas major muscle and divides into genital and femoral branches

A

Genitofemoral nerve

25
Q

This nerve…

  • Goes to the spermatic cord to the cremaster muscle
  • Goes through the inguinal canal
  • Goes lateral to enter the canal and then gets into the canal
A

Genital branch of the genitofemoral nerve

26
Q

This nerve…

  • Supplies cutaneous innervation to the skin overlying the femoral triangle
  • Female= anterior labia majora
  • Male= anterior scrotum and proximal medial thigh
A

Femoral branch of the genitofemoral nerve

27
Q

This nerve…

  • Emerges posterior to the psoas and runs on the iliacis toward the lateral part of the inguinal ligament
  • medial to the ASIS and proximal thigh
A

Lateral cutaneous nerve of the thigh

28
Q

This nerve…

-Emerges near the lateral border if the psoas

A

Femoral nerve

29
Q

What does the femoral nerve supplies

A
  • Iliacus
  • Flexors of the hip
  • Extensors of the knee
  • Skin on the anterior thigh
30
Q

This passes over the ala of the sacrum to participate in the sacral plexus

A

Lumbosacral trunk

31
Q

Typically, how many lumbar paravertebral sympathetic ganglia are there?

A

4- and they are deep to the psoas major

32
Q

These are the main source of presynaptic sympathetic fibers to the abdominal viscera

A

-Thoracic splanchnic nerves

33
Q

The greater, lesser, and least splanctnic nerves pierce the crura of the diaphragm and are destined for the… (3)

A
  • Celiac
  • Superior mesenteric
  • Aorticorenal ganglia
34
Q

Are the postsynaptic sympathetic neurons that are going to the abdominal wall and lower limbs gray or white rami?

A

Gray rami

35
Q

Gray rami from intercostal nerves go to…

A

The abdominal wall

36
Q

Gray rami from the lumbar plexus go to…

A

Lower limbs

37
Q

The vagus nerves participate in the _______ plexus and emerge as _____

A
  • Esophageal plexus

- Emerge as anterior and posterior vagal trucks

38
Q

Where do the anterior and posterior vagal trunks travel?

A

-Pass through the esophageal hiatus on the anterior and posterior surfaces on the esophagus and stomach

39
Q

All parasympathetic fibers that are destined for the gut are ______

A

Presynaptic (the ganglia are located within the walls of the target organs)

40
Q

Where does the abdominal aorta begin and end?

A
  • The aortic hiatus (around T12)

- Ends by dividing into left and right common iliac arteries (L4)

41
Q

This branch supplies the foregut

A

Celiac trunk

42
Q

This branch supplies the midgut

A

Superior mesenteric artery

43
Q

This branch supplies the hindgut

A

Inferior mesenteric artery

44
Q

This can be thought of as a very small continuation of the abdominal aorta

A

Medial sacral artery

45
Q

Where does the right renal vein and the right gonadal vein drain into?

A

The IVC

46
Q

What does the IVC pass through in the diaphragm?

A

The caval hiatus

47
Q

These 2 arteries serve the body wall

A
  • Inferior phrenic a

- Lumbar a

48
Q

What sac collects all the lower body lymph of the thoracic duct

A

Cysterna chili

Gross (45 decks)

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