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Cards In This Set
| Front | Back |
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Chemical Senses incluse what?
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Taste and smell
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Taste and smell scientific name
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Gustation and olfaction
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Odarants
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Chemicalswith an odor and bind to olfactory receptors
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Receptors in the nose for smell are contained in what region?
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Olfactory epithelium
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The organ of smell
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Olfactory epithelium
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Olfactory receptor cells are what?
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Bipolar neurons with radiating olfactory cilia
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Bundles of axons of olfactory receptor cells form the filaments of what?
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Olfactory nerve
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What do supporting cells do?
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Surround and cushion olfactory receptor cells
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Lie at the base of the epithelium
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Basal cells
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1) olfactory epithelium
2) Olfactory tract 3) Olfactory bulb 4) Nasal conchae |
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Supporting cell
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Provide physical support, nourishment and electrical insulation for olfactory receptor
Detoxify odorants |
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BBasal cell produces what?
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New olfactory receptor cells
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Olfactory glands secrete what?
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Secrete mucus
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1) Basal cell
2) Supporting cell 3) Olfactory gland |
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Physiology of smell
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1) Dissolved odorants bind to receptor proteins
2) G protein is activated 3) produces cAMP as a secondary messenger 4)cAMP opens Na and CA channels - causes depolorization - triggers action potential |
