GIT anatomy

Question 1

what type of rotation of the GIT during development ensures that the dudodenum is posterior to the transferse colon?

Answer 1

Anti-clockwise Rotation

Question 2

What is a mesentery?

Answer 2

Double layer of peritoneum, allows entry of nerves and blood vessels to the GIT. Suspends GIT organs

Question 3

What is the visceral peritoneum?

Answer 3

Wrapped around internal organs

Question 4

What is the parietal peritoneum?

Answer 4

Attached to the abdominal wall

Question 5

What is the space between the visceral and parietal peritoneum?

Answer 5

Peritoneal cavity

Question 6

What is ascites?

Answer 6

fluid in the peritoneal cavity

Question 7

What are the three branches of the aorta and at what level are they?

Answer 7

Coeliac artery - T12
Superior mesenteric artery - L1
Inferior mesenteric artery - L3

Question 8

What is the falciform ligament?

Answer 8

divides left and right lobes of liver, thickens to become the ligamentum teres

Question 9

How many segments and lobes of the liver are there?

Answer 9

8 segments, 4 lobes

Question 10

what is the taeniae coli?

Answer 10

3 separate layers of longitudinal smooth muscle

Question 11

name the four layers of the digestive tract

Answer 11

mucosa, submucosa, muscularis externa, serosa

Question 12

What is the name for the intestinal glands?

Answer 12

Crypts of lieberkuhn

Question 13

What is diverticulosis?

Answer 13

The formation of diverticula in the colon- out-pocketings of the mucosa