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Related Concept Videos

Local Anesthetics: Differential Sensitivity of Nerve Fibers01:24

Local Anesthetics: Differential Sensitivity of Nerve Fibers

Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...

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Related Experiment Video

Updated: Jun 21, 2026

In Vivo Electrophysiological Measurement of the Rat Ulnar Nerve with Axonal Excitability Testing
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Utility of proximal nerve conduction studies

Atul T Patel1, Lawrence Robinson, Venu Akuthota

  • 1Kansas City Bone and Joint Clinic, Overland Park, KS 66211, USA.

PM & R : the Journal of Injury, Function, and Rehabilitation
|July 25, 2009
PubMed
Summary

No abstract available in PubMed .

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