Anatomy - Distribution, defence and repair

Question 1

What is the innervation of the external obliques

Answer 1

thoraco-abdominal nerves

Question 2

What is the innervation of the internal obliques

Answer 2

thoraco-abdominal and subcostal nerves

Question 3

What is the innervation of transversus abdominus

Answer 3

thoraco-abdominal and subcostal nerves

Question 4

What is the innervation of rectus abdominus

Answer 4

thoraco-abdominal and subcostal nerves

Question 5

What is an indirect inguinal hernia

Answer 5

In an indirect inguinal hernia, the protrusion passes through the deep inguinal ring and is located lateral to the inferior epigastric artery.

Question 6

What is a direct inguinal hernia

Answer 6

The direct inguinal hernia enters through a weak point in the fascia of the abdominal wall, and its sac is noted to be medial to the inferior epigastric vessels

Question 7

What are the three branches of the celiac trunk and what do they supply

Answer 7

Left gastric artery - distal oesophagus and lesser curvature of stomach
Splenic artery - Body of pancreas, spleen and greater curvature of stomach
Hepatic artery - liver, gallbladder, stomach, pancreas, and duodenum

Question 8

What is the arterial supply of the foregut

Answer 8

Celiac trunk

Question 9

What is arterial supply of the midgut

Answer 9

Superior mesenteric artery

Question 10

What is the arterial supply of the hindgut

Answer 10

Inferior mesenteric artery

Question 11

What is the arcuate line

Answer 11

Where the epigastric vessels disappear