WL 4-26-11 olfactory and vision

WL 4-26-11 olfactory and vision - Chapter 13: Sensory...

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Chapter 13: Sensory processes Chapter 13: Sensory processes 4-26-11 Lecture: 4-26-11 Lecture: 1.Olfaction 2. Vision Knowledge of the surrounding environment comes from sensory processes.
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A male Antheraea polyphemus moth Insects may have about 100,000 hairs on each antenna. Each hair is one olfactory organ. Male silkworm moth can detect one bombykol (female sex attractant) molecule out of 10 7 other molecules.
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Vertebrate olfactory receptors Each sensory neuron express one odor receptor Sensory neurons expressing the same odor receptor generally converge their axons to a pair glomeruli.
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The olfactory neurons that express a particular odor receptor gene (shown in blue) converge their axons to a few glomeruli in the olfactory bulb
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Olfactory transduction in cilia membranes of olfactory neurons A given odor receptor interacts with multiple odorants A given odorant binds to multiple odor receptors cAMP signaling pathway
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Chapter 13. Sensory Processes Vision
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Evolution of eye structures
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9 9 Visible light spectrum
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This note was uploaded on 05/16/2011 for the course BIO 305 taught by Professor Lohr during the Spring '11 term at UMBC.

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WL 4-26-11 olfactory and vision - Chapter 13: Sensory...

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