Term
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Definition
| Activated by increasing length; tonic receptor (slow) |
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Term
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Definition
| increased tension of tendon activates; tonic receptor (slow adapting) |
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Term
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Definition
| group II or II fibers, fast, precisely localized |
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Term
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Definition
| C fibers; aching, burning, or throbbing; poorly localized |
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Term
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Definition
| pain that follows the dermatomal rule |
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Term
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Definition
| pain is erroneously perceived to arise from an end organ; stimulus occurs somewhere along the pain pathway |
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Term
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Definition
| no pain receptor stimulus; pain due to dysfunction in PNS or CNS |
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Term
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Definition
| when one input blocks the input of another; can happen when interneurons are involved; TENS uses this principle for pain control |
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Term
| descending analgesic system |
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Definition
| descending pathway that inhibits nociceptor neurons in dorsal horn; blocks activation of spinothalamic tract |
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Term
| Pharmacological treatment of pain at spinothalamic tract |
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Definition
NSAIDS: act on receptor
local anasthetic: block voltage-gated Na channels in sensory nerve fibers
opiate analgesic: act in dorsal horn and other sites |
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