Exs 3.4 - Cutaneous Receptors and Referred Pain Exercise...

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Cutaneous Receptors and Referred Pain Exercise 3.4
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Sensory Receptors Sensory receptors, in the skin, transduce mechanical or chemical stimuli into nerve impulses ( action potentials ) Any mechanical or chemical stimuli that comes in contact with the skin will produce some form of AP along a sensory nerve These impulses are conducted by sensory neurons into the CNS and ultimately to the region of the brain that interprets these AP There’s a region of the brain that interprets every stimuli depending on what region of the body is affected
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Mapping the Temperature and Touch Receptors of the Skin Four modalities of cutaneous sensation: Warmth Cold Touch Pain **pressure is excluded because it is mediated by receptors deep in the dermis Receptors have punctate distribution which mean that sensory receptors are not generalized throughout the skin, like a grid, but rather they are clustered at different points
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Two-Point Threshold Density of touch receptors in some part of
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This note was uploaded on 02/05/2012 for the course BIO BIO 231 taught by Professor Dr.w. during the Spring '11 term at Murray State KY.

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Exs 3.4 - Cutaneous Receptors and Referred Pain Exercise...

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