Gastric Secretion Flashcards
1
Q
Functional anatomy of stomach
A
Fundus
Body
Antrum
2
Q
Fundus
A
Storage
3
Q
Body
A
Storage Mucus HCl Pepsinogen Intrinsic factor
4
Q
Antrum
A
Mixing/grinding
Gastrin
5
Q
Cellular composition of gastric glands
A
Mucous neck cells
Chief cells
Parietal cells
6
Q
Mucous neck cells
A
Produce mucus
7
Q
Chief cells
A
Pepsinogens
8
Q
Parietal cells
A
HCl Intrinsic factor (essential)
9
Q
Mechanisms
A
Make posters
10
Q
Gastric acid secretion mechanisms
A
Neurocrine
Endocrine
Paracrine
11
Q
Neurocrine
A
Vagus/local reflexes
12
Q
Endocrine
A
Gastrin
13
Q
Paracrine
A
Histamine
14
Q
Enterogastrones
A
Hormones released from gland cells in duodenal mucosa - secretin, cholecystokinin (CCK), GIP
15
Q
When are enterogastrones released?
A
In response to acid, hypertonic solutions, fatty acids or monoglycerides in duodenum
Act collectively to prevent further acid build up in duodenum
