14.13 Physiology: Neural and hormonal control of the GIT Flashcards
1
Q
What do D cells release?
A
Somatostatin
2
Q
What releases mucus and bicarbonate?
A
Brunner’s glands
3
Q
What causes Brunner’s glands to be stimulated?
A
Vago-vagal reflex
4
Q
What inhibits gastric emptying?
A
Vago-vagal reflex and closed pylorus (duodenal-pyloro-antral reflex)
5
Q
What do amino acids trigger the release of?
A
Secretin from S cells
6
Q
What does secretin trigger?
A
Bicarbonate rich solution from pancreas
7
Q
What does CCK do?
A
Causes gall bladder contractions, releases digestive enzymes from pancreas and satiety factory
8
Q
What do tastants cause the release of?
A
Serotonin from EC cells
9
Q
In the proximal colon, what does fermentation by the microbiome produce?
A
Short chain fatty acids (acetate, butyrate, propionate)
