Credit: INTELECOM /SCIENCE PHOTO LIBRARY

Caption: A graph illustrates how an action potential remains at +30 mv regardless of the strength of the threshold stimulus. The action potential is all-or-none. Once generated, the amplitude does not vary. Any threshold stimulus will produce the same action potential of about positive 30 millivolts, regardless of strength of stimulus.

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Keywords: action potential, nerve cell, neuron, resting potential, stimulus, synapse, threshold

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Action Potential

K005/0581 Rights Managed

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Duration: 00:00:19.22

Frame size: 1920x1080

Frame rate: 29.97

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 768.1M

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Capture format: QuickTime Animation

Codec: Photo - JPEG

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