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action potentialAktionspotential (ger.)

  • The difference in electrical potential between the excited and unexcited parts of a nerve or muscle. (OED)
    das ›Aktionspotential‹ der Nerven (und Muskeln) bleibt […] stets ›negativ‹
    Boruttau, H. (1906). Elektropathologische Untersuchungen, III. Die Elektropathologie des warmblüternerven, sowie die Veränderungen der elektrischen Eigenschaften der Nerven überhaupt beim Absterben und Degenerieren. Archiv für die gesammte Physiologie des Menschen und der Thiere, 115, 287-315: 315; cf. 309; 311.
    Galeotti added the action potential to his observed potential
    Roaf, H.E. (1913). The liberation of ions and the oxygen tension of tissues during activity (preliminary communication). Proc. Roy. Soc. London B 86, 215-218: 217.

    when the nerve does not show the supernormal anodal effect where its action potential wave arrives at some optimally polarized point between anode and cathode, recovery is also incomplete after passing the cathode

    Bishop, G.H. & Erlanger, J. (1926). The effects of polarization upon the activity of vertebrate nerve. Amer. J. Physiol. 78, 630-657: 635.