axon Hear it!

axon Definition

axon (aksän′)

noun

that part of a nerve cell through which impulses travel away from the cell body

Etymology: ModL < Gr axōn, axis

axon Related Forms

axo·nal (aksə nəl) adjective

axon Usage Examples

Preposition: of

cell: The O.N. is a tract consisting mainly of the axons of the ganglion cells of the retina.

Converse of object

  • regenerate: Significantly more sciatic nerve axons regenerated in the exercised animals than the sedentary animals.
  • call: The motor nerve cell body has a long fiber called an axon, which extends from the central nervous system to the muscles.
  • have: The cell body of a sensory nerve has two axons.

Adjective modifier

  • myelinated: These sclerotic plaques are the decay in the myelin sheathing of the myelinated axons from distinct regions within the CNS.
  • unmyelinated: Gray matter contains nerve cell bodies and unmyelinated axons.
  • sensory: In the absence of these embryonic growth cues adult sensory axons make major growth errors at key choice points.
  • single: A single long axon carries the nerve impulse away from the cell body.
  • long: A single long axon carries the nerve impulse away from the cell body.

Modifies a noun

  • degeneration: In this way, we will build up a pathway of molecular events and their regulation during the early stages of axon degeneration.
  • regeneration: Axon regeneration in the CNS fails for two reasons.
  • terminal: Like all neurones, the sensory neuron has a cell body, an axon, dendrites and axon terminals.
  • branch: Control of axon branch dynamics by correlated activity in vivo.
  • guidance: In development we are looking at the roles of adhesion molecules in axon guidance at these regions.
  • growth: Axon growth and guidance in the developing and regenerating CNS Jeremy SH Taylor BSc PhD University Lecturer Tel.

Noun used with modifier

  • squid: Nobel Prize winning work on giant squid axons was undertaken at Plymouth.
  • nerve: Figure 22 Transport of material along the nerve axon.
  • terminal: Motor neurons that survive develop new terminal axon sprouts in response to an unknown stimulus.
  • motor: Some branchial motor axons travel with the inferior alveolar nerve.
  • cell: Nerves These are made up of bundles of nerve cell axons.