Stomach

Question 0

What are the 4 regions of the stomach?

Answer 0

• The cardia which allows the contents to enter the stomach for the oesophagus
• The fundus
• The body
• The pyloric region which contains the Antrum, oriffice, canal and sphincter

Question 1

What is the rugae?

Answer 1

folds caused by inner muscosa lining the empty stomach so it can extend

Question 2

What are the 4 layers of the stomach?

Answer 2

• Muscosa (simple columnar epithelium)
• Submucosa
• Muscularis
• Serosa

Question 3

What is contained within the mucosa of the stomach?

Answer 3

Tube like gastric pits to enhance tubular gastric glands

Question 4

What are the 5 types of epithelial cells in the pit and glands?

Answer 4

1. Muscous neck cells
2. Surface mucous cells
3. Parietal cells
4. Chief cells
5. Endocrine cells

Question 5

What are the Mucous neck cells?

Answer 5

They secret glycoproteins rich in carbohydrates and bicarbinate which counteracts the effects of the hydrochloric acid and the proteolytic enzymes

Question 6

What are the parietal cells?

Answer 6

produce hydrochloric acid and intrinsic factor

Question 7

What are the chief cells?

Answer 7

produce pepsinogen

Question 8

What are the endocrine cells?

Answer 8

produce regulatory horned and paracrine factors

Question 9

What are the three muscle layers of the stomach?

Answer 9

The outer longitudinal, the middle circular and the inner oblique