autonomic agent
autonomic agent
[¦ȯd·ə¦näm·ik ′ā·jənt] (neuroscience)
A compound that reduces or enhances nerve-impulse transmission across synaptic junctions, especially in the autonomic nervous system.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.