2.2 Posterior Abdominal Wall

Question 1

What are the posterior abdominal wall muscles?

Answer 1

1. Quadratus lumborium
2. Iliacus
3. Diaphragm
4. Psoas major

Question 2

What are the organs/tubes of the posterior abdominal wall?

Answer 2

REVIEW

Question 3

What are the main vessels of the posterior abdominal wall?

Answer 3

1. IVC

2. Abdominal aorta

Question 4

What are the nerves of the posterior abdominal wall?

Answer 4

REVIEW

Question 5

What are the 3 major openings (hiatuses) in the diaphragm? What vertebral levels do these occur?

Answer 5

1. caval - T8
2. oesophageal - T10
3. aortal - T12

Question 6

What are the 3 main branches of the abdominal aorta which supply blood to the gut tube within the abdominopelvic cavity?

Answer 6

1. Celiac axis
2. Superior mesenteric artery
3. Inferior mesenteric artery

Question 7

At what Vertebral Level does the Abdominal Aorta bifurcate into the 2 Common Iliac Arteries?

Answer 7

L4

Question 8

How is the Inferior Vena Cava formed in the Abdomen?

Answer 8

From the fusing of the Common Iliac Veins