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Table 6-2

Response of Nociceptors Do Different Types of Stimuli

Type of NociceptorStimuli Evoking a Response
Unmyelinated C fiber afferents (conduction velocity <2 m/s)Burning pain from heat and sustained pressure
Type 1 myelinated A fiber afferents (conduction velocity >2 m/s)Heat, mechanical, and chemical stimuli
Type II myelinated (conduction velocity about 15 m/s)Heat