nerve fiber

/nərv ˌfaɪbər/

Other forms: nerve fibers

Definitions of nerve fiber

1. noun

   a threadlike extension of a nerve cell
   synonyms: nerve fibre

   types:

   medullated nerve fiber, myelinated nerve fiber

   a nerve fiber encased in a sheath of myelin

   effector

   a nerve fiber that terminates on a muscle or gland and stimulates contraction or secretion

   axon, axone

   long nerve fiber that conducts away from the cell body of the neuron

   dendrite

   short fiber that conducts impulses toward the cell body of the neuron

   efferent fiber, motor fiber

   a nerve fiber that carries impulses toward the muscles or glands

   afferent fiber, sensory fiber

   a nerve fiber that carries impulses toward the central nervous system

   type of:

   fiber, fibre

   any of several elongated, threadlike cells (especially a muscle fiber or a nerve fiber)

   fiber, fibre

   a slender and greatly elongated substance capable of being spun into yarn