unmyelinated fibers, 0.4-1.2 mcm in diameter, conducting nerve impulses at a velocity of 0.7-2.3 m/sec.
C fibers
(fī'bĕrz) Unmyelinated fibers, 0.4-1.2 mcm in diameter, conducting nerve impulses at a velocity of 0.7-2.3 m/sec. Synonym(s): C fibres. FinancialSeeFiber