Gastric Secretions and Cells Flashcards Preview

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Flashcards in Gastric Secretions and Cells Deck (17):
1

Secretes mucous

Mucous neck cells

2

Components of mucous

Mucin
Electrolytes
Phospholipids
Water

3

Secretes HCL and IF

Parietal cells

4

Stimulates release of HCl from parietal cells

Gastrin
ACh
Histamine

5

Inhibits release of HCl from parietal cells

Somatostatin

6

Synthesize pepsinogen and gastric lipase

Chief cells

7

Stimulates pepsinogen secretion

ACh
HCl

8

Activates pepsinogen

HCl
Pepsin
--Cleaves peptide bonds of denatured proteins

9

Synthesize histamine

ECL cells

10

Stimulates histamine secretion

Gastrin

11

Inhibits histamine secretion

Somatostatin

12

Synthesize somatostatin

D Cells

13

Stimulates somatostatin secretion

HCl and Gastrin

14

Inhibits somatostatin secretion

ACh

15

Synthesize gastrin

G Cells

16

Stimulates gastrin secretion

GRP (gastrin releasing peptide)

17

Inhibits gastrin secretion

Somatostatin