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Nose (olfactory epithelium (supporting cells (suround and cushio olfactory…
Nose
olfactory epithelium
supporting cells
suround and cushio olfactory sensory neurons
columnar
contain yellow, brown pigment
olfactory stem cells
differentiate to replace olfactory sensory neurons
at base of epithelium
olfactory sensory neurons
transduction cells
form filaments of olfactory nerves
type of bipolar cell
olfactory cilium membrane
deep to the olfactory epitelium
site of olfactory transduction
odorant binds to the receptor
receptor activates G protein
gprotein activates adenylate cyclase
adynylate cyclase converts ATP to cAMP
cAMP opens a cation channel allowing Na+ and Ca2+ influx
depolarization