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25 Cards in this Set
- Front
- Back
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What are odors?
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olfactory sensations
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What are odorants?
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odor-inducing substance
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What are characterics of odorants?
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volatile
small hydrophobic |
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What are the pimary jobs of the nose?
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filter air
allows us to smell |
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What is the olfactory epithelium?
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where olfactory nerves are located
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What is anosmia?
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loss of smell
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How many odorant molecules are needed per neuron to detect smell??
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7-8
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How many action potentials are needed inorder to perceive smell?
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40
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What is the most common cause of anosmia? second? third?
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upper respiratory tract infection
sinonasal disease medications for high B.P. o cholestoral |
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What does congenital mean?
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present at birth
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What is flavor?
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taste + smell
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What is the olfactory pathway?
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Through nerve and cribiform plate
To glomerulus To mitral cell To brain |
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Is smell ipsilateral or contralateral?
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ipsilateral
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What are pseudogenes?
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genes that do not encode functional proteins
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What are steroisomers?
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molecules that are mirror images of each other
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Are longer carbon chains or shorter carbon chains easier to detect?
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longer carbon chains
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What is cross-adaptation?
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one odorant blocks sensitivity to another
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What is cognitive-habituation?
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loss of sensitivity to common smells
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What is olfactory hedonics?
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how much we like a smell
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What does the vomernasal system do?
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detect phermones
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What is the vocal tract?
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airway above larnyx used for speech (oral tract + nasal tract_
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What are the three basic components of speech?
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respiration (lungs)
phonation (vocal chord) articulation (vocal tract) |
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What is a formant?
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a resonance of the vocal tract
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What is a spectrogram?
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a pattern for sound analysis
time on the horizontal axis frequency on the vertical axis intensity on a color/gray scale |
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What are three articulatory dimensions?
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Place of articulation
Manner of Articulation Voicing |
