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