A The Elements of the Action Potential. B. The Transmembrane Potential and Duration of the Action Potential Varies With the Tissue Site.

(From Berne RM, Levy MN, Koeppen B, et al. Physiology. 5th ed. St. Louis, MO: Mosby; 2004, with permission.)

A. The elements of the action potential. B. The transmembrane potential and duration of the action potential varies with the tissue site.