NPB+112+11+somato - NPB 112 Winter 2011 1/18 Outline I...

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1 NPB 112, Winter 2011: 1/18- 1/20/11 Outline: I. Sensory physiology: overview (Ch. 9) II. Skin mechanoreceptor types A. Mechanoreceptor B. Thermoreceptors (Ch. 10) 1. Warm receptors 2. Cold receptors C. Nociceptors (pain) 1. A-delta mechanical nociceptor 2. polymodal nociceptor RECEPTOR : specialized neuron or epithelial cell that responds to a specific type or wavelength of environmental energy (process by which environmental energy is transformed by receptor into an electrical signal) ADEQUATE (or appropriate) STIMULUS : type of stimulus energy that activates receptor at the lowest relative intensity
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