Stomach

Question 1

Name the 5 attributes of the stomach which minimise reflux

Answer 1

Oesophageal sphincter
Acute angle of oesophageal entry
Mucosal folds at oesophagogastric junction act as valves
Right crus of the diaphragm acts as a clamp
Positive intra-abdominal pressure compresses the walls of the intra-abdominal oesophagus

Question 2

Name the 4 sections of the stomach

Answer 2

Cardia
Fundus
Body
Pyloric antrum

Question 3

Name the curvatures of the stomach

Answer 3

Greater and lesser

Question 4

What anatomical landmark can be found in the lesser curve of the stomach? And what does it denote?

Answer 4

The incisura angularis (angular incisure) - a small notch

Marks the division between the body and pyloric antrum

Question 5

Describe the distal end of the stomach

Answer 5

Pyloric antrum narrows becoming the pyloric canal

Pyloric sphincter lies at the end of the canal

Question 6

What is the characteristic appearance of the stomach lining and what structures create this appearance?

Answer 6

Longitudinal ridges

Rugae

Question 7

Where are gastric ulcers most likely to occur?

Are they more likely to be benign or metastatic?

Answer 7

Lesser curve at the incisura angularis

Benign