To an insurance company, an insurable interest is the basic reason for issuing a legal insurance cover, to an insured (or beneficiary) it gives the legal right to enforce an insurance claim.
The change in membrane potential occurring in nerve, muscle, or other excitable tissue when excitation occurs. action potential. A momentary change in electrical potential on the surface of a neuron or muscle cell. Nerve impulses are action potentials.
Cardiac action potential. From Wikipedia, the free encyclopedia. The cardiac action potential is a short-lasting event in which the membrane potential (the difference of potential between the interior and the exterior) of a cardiac cell rises and falls following a consistent trajectory, similar to the action potential in other types of cells.