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10 Cards in this Set
- Front
- Back
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what are sensory receptors?
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specialized endings of afferent neurons or separate, specialized cells that communicate with primary sensory neurons
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What is sensory transduction?
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stimuli cause ion flow across sensory receptor membranes which in turn cause action potentials.
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What do receptor proteins do?
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they detect a stimulus and respond my altering ion channel function
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What do Anthropods use to attract mates? (chemical signals)
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pheromones
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What is Chemoreception?
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the detection of chemical stimuli
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What are olfactory sensors?
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Chemoreceptors- neurons embedded in a layer of epithelial cells at the top of the nasal cavity
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What are olfactory hairs?
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They are where the dendrites end at the surface of the nasal epithelium
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Who are Richard Axel and Linda Buck?
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They won the 2204 Nobel Prize for their discovers of odorant receptors and the organization of the olfactory system.
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What are Mechanoreceptors?
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they are sensory receptors that respond to mechanical pressure or distortion of the skin or other tissue.
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What is a receptive field?
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the region of space in which presence of a stimulus will elicit firing of the sensory neurons.
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