Action Potential

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  • never saw action either against the original potential enemies (another - via Daymix
  • Reflected Action - via Daymix
  • Three hives in full winter shut down, no bee action today but a faint buzz - via Daymix
  • as the potential site of - via Daymix
  • Crags as a potential rock source for polished Neolithic stone axes. - via Daymix
  • Fuseboxx in close action.hehe. - via Daymix
  • The Chorus in action. - via Daymix
  • The Chorus in action. - via Daymix

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via Wikipedia
In physiology, an action potential is a short-lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called excitable cells, which include neurons, muscle cells, and endocrine cells, as well as in some plant cells. In neurons, they play a central role in cell-to-cell communication. In other types of cells, their main function is to activate intracellular processes. In muscle cells, for example, an action potential is the first step in the chain of events leading to contraction. In beta cells of the pancreas, they provoke release of insulin. Action potentials in neurons are also known as "nerve impulses" or "spikes", and the temporal sequence of action potentials generated by a neuron is called its "spike train". A neuron that emits an action potential is often said to "fire".

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