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| • | Smell
(Olfaction) |
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| • | Physical
stimuli: substances carried in the |
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| air |
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| – | dissolved in
fluid, the mucus in the nose |
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| – | Olfactory
receptors = olfactory cilia |
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| – | Synapse directly
with cells in brain |
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| – | Olfactory sense
not routed through thalamus |
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