10.3 GI3 Abdominal aorta

Question 1

What is the foregut viscera supplied by and what does it include?

Answer 1

Supplied by celiac trunk 
abdominal esophagus 
liver 
gall bladder
spleen
pancreas
stomach 
Duodenum before bile duct

Question 2

Midgut viscera
supplied by?
includes?

Answer 2

Supplied by superior mesenteric artery

Duodenum after bile duct

jejunum, illuem
ascending colon
2/3 transverse colon

Question 3

Hindgut viscera
supplied by?
includes?

Answer 3

Supplied by inferior mesenteric artery

1/3 transverse colon
Descending colon
Rectum
Anal canal

Question 4

Hepatic portal vein

Answer 4

abdominal GI->portal vein-> metabolism->hepatic vein-> IVC-> right atrium

1) Venous drainage from the stomach, spleen and intestines pass through the liver through portal vein for metabolism
2) Once metabolised collected by the hepatic vein before draining into the IVC for systematic venous return-> right atrium

Question 5

What are the 2 surfaces of the liver?

Answer 5

Diaphragmatic surface

Visceral surface
Liver is intraperitoneal- complicated mesentery

Question 6

Lobes of the liver

Answer 6

Left
Right-further divided

Caudate lobe-IVC
Quadrate lobe-gall bladder

Question 7

What is the Caudate lobe and Quadrate lobe divided by?

Answer 7

sagittal fissures and transverse portal hepatis

Question 8

Where does the abdominal aorta begin?

Answer 8

starts at T12, gives rise to iliac artery at L4