refers to a myelinated nerve fiber of the autonomic nervous system that transmits nerve impulses to a sympathetic chain. B fibers are approximately 2mm or less in diameter and carry impulses at speeds of 3-15 m/s. Compare with A fiber- C fiber.
refers to a myelinated nerve fiber of the autonomic nervous system that transmits nerve impulses to a sympathetic chain. B fibers are approximately 2mm or less in diameter and carry impulses at speeds of 3-15 m/s. Compare with A fiber- C fiber.