Abdominal wall, peritoneum, abdominal contents

Question 1

What do the transverse tendinous bands represent?

Answer 1

Different intercostal nerve innervation

Question 2

What are the attachments of the rectus abdominus?

Answer 2

Between the ribcage and the pubic bone

Question 3

What are the attachments of the external oblique?

Answer 3

Attaches to the lower 8 ribs.
Aponeurosis merges with the rectus abdominus aponeurosis.
Attaches to pubic bone.
Aponeurosis merges with inguinal ligament

Question 4

What are the attachments of the internal oblique?

Answer 4

To the costal margin and aponeurosis merges with the aponeurosis of the rectus abdominus.
To iliac crest.
Posterior attachments to lumbar fascia

Question 5

What is the function of the lumbar fascia?

Answer 5

Attachments and for protection

Question 6

What are the attachments of the transverses abdominus?

Answer 6

Lowest 6 vertebra
Lumbar fascia
Inguinal ligament

Question 7

What is the rectus sheath?

Answer 7

Aponeurosis of the transverse abdominal and internal and external oblique

Question 8

What is the function of the transversus fascia?

Answer 8

Provide strength and protect abdominal contents

Question 9

In what direction does rectus abdominus contract?

Answer 9

Vertically up and down

Question 10

In what direction does external oblique contract?

Answer 10

Inward and downwards

Question 11

In what direction does internal obqlie contract?

Answer 11

Inward and upwards

Question 12

In what direction does transverses abdominus contract?

Answer 12

Horizontally inward

Question 13

What are the functions of the abdominal wall muscles?

Answer 13

Trunk movement, abdominal pressure regulation, expiration, resist shape change

Question 14

How do the abdominal wall muscles assist expiration?

Answer 14

During vigorous ventilation. Allows recall which pulls thoracic cage downwards this allows for the next inspiration

Question 15

What innervates the abdominal wall muscles?

Answer 15

Intercostal nerves from T7-L1

Question 16

How do the intercostal nerves enter the muscles?

Answer 16

Between inferior oblique and transverses abdominus

Question 17

What is peritoneum?

Answer 17

Serous membrane covering the abdominal contents

Question 18

What are the 2 layers of the peritoneum?

Answer 18

Visceral and parietal peritoneum

Question 19

What is the function of the peritoneum?

Answer 19

Provides motility, fixes organs in place and has an immune function

Question 20

What are mesenteries and what are their function?

Answer 20

Peritoneal folds.

Carry blood to and from the gut

Question 21

What is the difference between intra-peritoneal and retroperitoneal organs?

Answer 21

Intra - fully covered

retro - sit behind it

Question 22

What are the peritoneal ligaments?

Answer 22

Mesenteries

Question 23

What is the omentum, how does it divide the abdominal cavity?

Answer 23

Large peritoneal ligament.

Greater and lesser omentum divide it into the greater and lesser sacs

Question 24

What is the greater sac divided into?

Answer 24

Supracolic and infracolic compartments

Question 25

List the abdominal viscera

Answer 25

Stomach
SI
Ascending colon
Descending colon
Spleen
pancreas
Liver
Gall bladder
Kidney
Adrenal glands

Question 26

List the pelvic viscera?

Answer 26

Bladder

Uterus