Definitions of parasympathetic fibers, postganglionic
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Definition of 'parasympathetic fibers, postganglionic'
U.S. National Library of Medicine
1. parasympathetic fibers, postganglionic Nerve fibers which project from parasympathetic ganglia to synapses on target organs. Parasympathetic postganglionic fibers use acetylcholine as transmitter. They may also release peptide cotransmitters.