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  • Title: Swelling of nerve fibers associated with action potentials.
    Author: Iwasa K, Tasaki I, Gibbons RC.
    Journal: Science; 1980 Oct 17; 210(4467):338-9. PubMed ID: 7423196.
    Abstract:
    Swelling of nerve fibers during the action potential was demonstrated by three different methods. Generation of a propagated nerve impulse in a crab nerve produced an outward movement of 50 to 100 angstroms of the nerve surfce and a rise in swelling pressure on the order of 5 dynes per square centimeter. In squid giant axons, the amplitude of the observed outward movement of the surface was small.
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