taste and smell Flashcards
molecules that stimulate taste receptors must be ___ soluble
water
5 primary tastes
sweet, bitter, sour, salt, umami
afferent nerves carried by what cranial nerves
VII, IX, X
each taste bud contains how many taste receptor cells
50-100
taste receptors are located on
cilia of taste cells
taste receptors are
epithelial derivatives
type I taste receptor cell
salty
type II taste receptor cell
sweet umami bitter
type III taste receptor cell
sour
only type ___ cells directly synapse with gustatory nerve
III
the smell receptor cell is
specialized nerve
smell nerve renewed every __ days
30-60
interaction of receptor nerve and stimulus stimulates
second messenger pathways
oderant stimulates
intercellular cAMP synthesis
increased ___ is necessary for transduction of odorant
(cAMP)intercellular