cholinergic fiber

cholinergic fiber

n.

Any of the nerve fibers that transmit impulses to other nerve cells or to muscle fibers or gland cells by acetylcholine.

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cholinergic fiber

Etymology: Gr, chole, bile, ergon, work; L, fibra

a nerve fiber of the autonomic nervous system that releases the neurotransmitter acetylcholine. Cholinergic fibers include all preganglionic fibers, all postganglionic sympathetic fibers to sweat glands, and efferent fibers innervating skeletal muscle.