Posterior Abdominal Wall, Pelvs, Perineum Flashcards

1
Q

What are the 3 muscles of the Anterior Oblique Wall?

A
  1. External Oblique Muscle
  2. Internal Oblique Muscle
  3. Transverse Abdominal Muscle

From outer to Inner

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2
Q

What are the muscles of the Posterior Abdominal Wall?

A
  • Psoas Major
  • Quadratus Lumborum
  • Transversus Abdominis
  • Iliacus
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3
Q

Name the nerves from superior to inferior

A
  1. Subcostal - T12
  2. Iliohypogastric - L1
  3. Ilio-inguinal - L1
  4. Lateral Cutaneous - L2 & L3
  5. Femoral - L2 to L4
  6. Genitofemoral (anterior to Psoas Major)
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4
Q

What is the major muscle of the Posterior Abdominal Wall?

A

Psaos Major

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5
Q

Which aorta does the abdominal aorta originate from?

A

Descending aorta

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6
Q

What does the abdominal aorta divide into?

A

Right and left common iliac

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7
Q

What are the 4 categories of the abdominal aorta?

A
  1. Anterior branches
  2. Unpaired branches
  3. Paired branches
  4. Median sacral
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8
Q

What are the 5 paired branches of the abdominal aorta?

A
  1. Phrenic
  2. Middle suprarenal
  3. Renal
  4. Gonadal
  5. 4 Lumbar arteries
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9
Q

Where is the Inferior Vena Cava formed at?

A

L5

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10
Q

Inferior Vena Cava is ____ of midline

A

right

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11
Q

What does the Inferior Vena Cava divide into?

A

Common iliac veins

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12
Q

Where does the Inferior Vena Cava passes upwards to?

A

Passes upwards to right of aorta

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12
Q

Where does the Inferior Vena Cava pierce through?

A

Right horn of central tendon

Attached to margins of central tendon

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13
Q

Where does the Inferior Vena Cava end?

A

Postero-Inferior angle of right atrium

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14
Q

What veins does Inferior Vena Cava give rise to?

A
  • Right gonadal vein
  • Right and left renal veins
  • Right suprarenal vein
  • Median sacral
  • Hepatic veins
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15
Q

Where does the Inferior Vena Cava lie?

A

Posteriorly lies on bodies of lumbar vertebra and right sympathetic trunk

16
Q

What forms the pelvic girdle?

A

Hip bone, sacrum, coccyx, pubis, ischium

17
Q

What is the junction where the hip bone, pubis and ischium are fused?

A

Acetabulum

18
Q

Muscles of pelvic floor

A
  • Levator ani
  • Coccygeus
19
Q

Where is the perineum situated?

A

In the pelvis below the pelvic diaphragm

20
Q

What organs are located in the perineum?

A

External genital organs

21
Q

Peritoneum is a thin serous membrane that lines the ____ cavity which protects and supports the internal organs

A

Peritoneum is a thin serous membrane that lines the abdominal cavity which protects and supports the internal organs

22
Q

What is the pouch in the male pelvic cavity called?

A

Recto-vesical pouch

23
Q

What are the pouches in the female pelvic cavity called?

A
  1. Rectouterine pouch (deeper)
  2. Vesicouterine pouch (shallow)