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. FinancialSeeFiber