Science Dictionary
cholinergic   (kō'lə-nûr'jĭk)  Pronunciation Key 
  1. Relating to a neuron or axon that is activated by or is capable of releasing acetylcholine when a nerve impulse passes. The nerve endings of the parasympathetic nervous system are cholinergic.

  2. Having physiological effects similar to those of acetylcholine, as certain drugs.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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