B fibers


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B fi·bers

myelinated fibers autonomic nerves, with a diameter of 2 mcm or less, conducting at a rate of 3-15 meters per second.

B fi·bers

(fī'bĕrz)
Myelinated fibers of autonomic nerves, with a diameter of 2 mcm or less, conducting at a rate of 3-15 m/sec.
Synonym(s): B fibres.

B fibers

preganglionic, autonomic efferent nerve fibers with much slower conduction speeds than A cells.