Stomach and Duodenum

Question 1

Orientation of the left and right vagus in the stomach

Answer 1

Left vagus = anterior

Right vagus = posterior

Question 2

Embryology of the stomach- dorsal and ventral border become

Answer 2

Drosal border becomes greater curvature

Ventral border becomes the lesser curvature

Question 3

Which parts of the duodenum are intraperitoneal and which parts are secondary retroperitoneal?

Answer 3

1st part is interaperitoneal

2-4 are secondary retroperitoneal

Question 4

What marks the beginning of the jejunum? Where is it?

Answer 4

The suspensory ligament of the duodenum

Attaches the 4th part of the duodenum to the abdominal aorta/celiac trunk

Question 5

What structures pass BEHIND the 1st part of the duodenum

Answer 5

Gastroduodenal artery

Common bile duct

Portal vein

Question 6

What is the most important feature of the 2nd part of the duodenum

Answer 6

The common bile duct and main pancreatic duct enter on the posteromedial wall

Question 7

Which part of the duodenum holds the hepatopancreatic ampulla and major duodenal papilla

Answer 7

2nd part of the duodenum

Question 8

The 3rd part of the duodenum passes over the

Answer 8

IVC and aorta

Question 9

__ and ___ are above and below the 3rd part of the duodenum

Answer 9

SMA is above

IMA is below

Question 10

The 3rd part of the duodenum is separated from the vertebral column by

Answer 10

Right psoas major

IVC

Aorta

Right gonadals

Question 11

The 4th part of the duodenum is secured by

Answer 11

The ligament of Treitz

Question 12

What is the ligament of Treitz?

Answer 12

Muscle that connects the duodenum/jijunum to the diaphragm

Question 13

During development, the stomach rotates ___ degrees ___ around the ___

Answer 13

90 degrees clockwise around the longitudinal axis