Gastric Cell Types And Secretions Flashcards
1
Q
Part of stomach
Parietal cells
A
Body (fundus)
2
Q
Part of stomach
Chief cells
A
Body (fundus)
3
Q
Part of stomach
G cells
A
Antrum
4
Q
Part of stomach
Mucus cells
A
Antrum
5
Q
Secretion products
Parietal cells
A
HCl Intrinsic factor (essential)
6
Q
Secretion products
Chief cells
A
Pepsinogen (converted to pepsin at low pH)
7
Q
Secretion products
G cells
A
Gastrin
8
Q
Secretion products
Mucous cells
A
Mucus
Pepsinogen
9
Q
Stimulus for secretion
HCl
A
Gastrin
Vagal stimulation
Histamine
10
Q
Stimulus for secretion
Chief cells pepsinogen
A
Vagal stimulation
11
Q
Stimuli for gastrin secretion
A
Small peptides Vagal stimulation (via gastrin releasing peptide)
12
Q
2 inhibitors of gastrin secretion
A
Somatostatin
H+ in stomach (via stimulation of somatostatin release)
13
Q
Stimuli for mucus
A
Vagal stimulation
14
Q
2 gastric secretions stimulated by vagal stimulation (acetylcholine)
A
Mucus
Pepsinogen
