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19 Cards in this Set

  • Front
  • Back
olfaction is the....
sense of smell
the olfactory pathway is as follows:
olfactory epithelium > olfactory nerve I > olfactory bulb > olfactory tract > olfactory cortex of temporal lobe + limbic system (assoc with memory and emotional response)
the olfactory epithelium includes:
olfactory receptor
basale cell
supporting cell
olfactory receptor is a
bipolar neuron with cilia which responds to the dissolved odorant
basale cell is an
immature cell that matures into an olfactory receptor to replace lost olfactory receptors
supporting cell
supports the olfactory receptor and the basale cell
The olfactory pathway adapts by .....
decreasing in sensitivity to a certain smell with repeated stimulation
Gustation is the....
sense of taste
The gustatory pathway is as follows:
taste buds > facial nerve 7 > glossopharyngeal nerve 9 > gustatory cortex of insula and frontal lobe + limbic system (memory and emotional response)
taste receptor is...
bipolar neuron with cilia which responds to dissolved taste
basale cell is....
immature stem cell that matures into a taste receptor to replace lost receptors
supporting cell does what?
supports the taste receptor and the basale cell
Name the types of taste buds...
circumvallate papillae
foliate papillae
fungiform papillae
filiform papillae
circumvallate papillae
most sensitive to bitter taste
foliate papillae
most sensitive to sour
fungiform papillae
most sensitive to sweet and salt
filiform papillae
provide friction but no taste, helps move bolus of food during chewing and swallowing
The gustatory pathway adapts by decreasing in.....
sensitivity with repeated stimulation
If your tongue is dry it will ....
decrease your sense of taste