The faster, A-delta nociceptors fire the first wave of signal, which races at 20 m/s up thousands of densely-bundled nerve fibers and ultimately to your brain. That causes the sharp, sudden pain ...
(A) Illustration of myelinated nerve fiber and saltatory conduction of action potential. An example of PNS myelinated nerve fiber is shown. (B) Illustration of transverse section of myelinated ...
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