Gustation (Taste) Flashcards
1
Q
taste buds are ( ) cells
A
modified epithelial
2
Q
taste bud anatomy: what is at the top?
A
microvilli
3
Q
taste bud anatomy: there is a ( ) down the center of a group of cells
A
pore
4
Q
salt and sour ions are detected by receptors that are ion channels that depolarize the cell. what are the ions, respectively?
A
Na+ (salt) & H+ (sour)
5
Q
posterior third of the tongue is innvervated by what nerve?
A
glossopharyngeal (IX)
6
Q
the anterior two-thirds of the tongue are innervated by what nerve?
A
facial nerve (VII)
7
Q
umami
A
monosodium glutamate and G-protein
8
Q
Sweet and bitter are detected by what?
A
G-protein coupled receptors
9
Q
The G-protein is called ( )
A
gustducin