Sense of smell

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olfactory epithelial cells

small area at the the top/back of the nose over 10,000 olfactory nuerons

cilia

small hair-like structures far back in the nasal cavity that sweep back and forth

odor molecules

tiny bits of chemicals floating in the air.

7 primary odors

camphor, pungent, putrid, floral, pepperminty, musky, etnereal

feedback loop

inhibits transmission of action potential result in decreased sensitivity to odors (prolonged exsposure)


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