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afterpotential in Medicine

afterpotential

(ăftər-pə-tĕn′shəl)
n.
  1. A small negative or positive change in electrical potential in a stimulated nerve that follows and is dependent on the main potential.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.