Duodenum (Dave's notes) Flashcards Preview

Anatomy: Abdomen (based on Dave's notes only so far) > Duodenum (Dave's notes) > Flashcards

Flashcards in Duodenum (Dave's notes) Deck (13):
1

Describe the duodenum

A c shaped tube around the head of the pancreas

2

Where does the first 2cm of the duodenum lie? What about the rest of the duodenum?

The first two cm of the duodenum lies between the greater and lesser sacs. The rest of the duodenum is retroperitoneal

3

Describe the length and course of the superior first part of the duodenum

2 inches, Runs to the right and backwards/posterior

4

Describe the length and course of the descending second part of the duodenum

3 inches, To the right of L2, the second part of the duodenum curves downwards over the hilum of the right kidney

5

Describe the relations of the second part of the duodenum

D2 curves over the hilum of the right kidney. The bile duct lies at the posteromedial wall. D2 lies in both supra and infracolic compartments

6

Describe the length, course, and relations of the horizontal third part of the duodenum

4 inches, runs from right to left across L3. Lies on the aorta at the commencement of the IMA, and is crossed by the SMA. Lies in both left and right infracolic compartments.

7

Describe the length and course of the ascending fourth part of the duodenum

1 inch, to the left of L2 ascends to the left of the aorta and on the left psoas which fixes the Dj flexure

8

Name the four parts of the duodenum

D1 1st superior, D2 2nd descending, D3 3rd horizontal, D4 4th ascending parts

9

Describe the lining of the duodenum

The duodenum's internal mucous membrane is thrown into numerous circular folds

10

Name the duodenal recessed and their locations

Superior and inferior duodenal recesses locations??
Paraduodenal recess, formed from the IMV

11

What is the blood supply of the duodenal artery?

From the superior and inferior pancreaticoduodenal arteries which arise from xxxx

12

The first 2cm of the duodenum may receive blood supply from which arteries?

Common hepatic, gastroduodenal, superior pancreaticoduodenal, right gastric, right gastroepiploic

13

What is the lymphatic drainage of the duodenum?

The lymphatic drainage of the duodenum is via channels accomanying the superior and inferior pancreaticoduodenal arteries to the coeliac trunk and SMA nodes