Flashcards in Neural Regulation of Gastrointestinal Function Deck (10):
1
What neurotransmitters are used for taste sensation?
ATP
Serotonin
Noradrenaline
2
What receptors do sweet/bitter/umami use?
G protein coupled receptors
3
What receptors do salty and sour use?
TRPM5 Ca2+-activated Na/K channel (transient receptor potential cation channel M5
4
What is the innervation of the tongue?
Front portion: CN 7
Back portion: CN 9
5
What does sympathetic stimulation cause in salivary secretions?
Thick mucous
6
What nerves are responsible for the swallowing reflex?
CN 9
CN 10
7
What affect do stretch receptors have on G cells?
Cause release of gastrin stimulating Chief and parietal cells
8
What role does the vagus play in stimulation of G cells?
Releases gastrin releasing peptide on G cells
9
What does too much gastric acid cause?
Release of Somatostatin to inhibit G cells
10