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Flashcards in Stomach Deck (15)
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1

Food on entering the stomach is mixed with secretions from what?

The gastric glands

2

The gastric glands contain 3 types of cells:

Mucosal (neck) cells
Chief cells
Parietal cells

3

The mucosal (neck) cells secrete what?

Mucus and gastrin

4

What cells PRODUCE gastrin?

G cells

5

What does gastrin do?

Stimulates gastric secretions

6

Chief cells produce what?

pepsinogen

7

Pepsinogen is activated to from what?

pepsin

8

What activates pepsinogen to form pepsin?

Hydrochloric acid (HCl)

9

Pepsin is necessary to digest what?

protein

10

The parietal cells secrete what?

HCl and Intrinsic factor (IF)

11

HCl will destroy what?

Many bacteria

12

Intrinsic Factor is necessary for what?

Absorption of Vitamin B12

13

Where is the absorption of Vitamin B12?

Terminal ileum

14

What cells release histamine?

Mast cells

15

What is the mixture of food and gastric secretions called?

chyme