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BNC: 29793 COCA: 27633
BNC: 29793 COCA: 27633

axon

noun

ax·​on ˈak-ˌsän How to pronounce axon (audio)
variants or less commonly axone
: a usually long and single nerve-cell process that usually conducts impulses away from the cell body see neuron illustration

Example Sentences

Recent Examples on the Web The electrical impulses in the dendrites are functionally and biophysically different than the action potentials in the axon. Gabriel A. Silva, Forbes, 2 Aug. 2022 Then, once the voltage reaches a specific threshold, a pulse is fired along organic amplifiers that mimic a nerve cell axon. Karen Hopkin, Scientific American, 30 June 2022 Mice that already had amyloid pathology developed neuritic plaque tau, the axon-damaging form of the protein. Jason Ulrich, Scientific American, 1 Aug. 2021 That may or may not result in a spike, or action potential, going out on the neuron’s axon to the dendrites of post-synaptic neurons. Quanta Magazine, 18 Feb. 2021 Information for both signals can be encoded in the spikes of electrical activity that the neuron sends down its axon as an output. Quanta Magazine, 18 Feb. 2021 The brain also contains white matter, which insulates the axons, helping brain signals travel further, faster and encouraging motor and sensory function. Jenni Gritters, New York Times, 5 May 2020 This is an important finding because squid nerve cells are immense, with axons sometimes stretching several feet long. Eric Niiler, Wired, 24 Mar. 2020 Research in several laboratories has found recently that OPCs can respond to neural impulse activity by dividing and maturing into myelin-forming oligodendrocytes, and increasing the number of myelinated axons. R. Douglas Fields, Scientific American, 18 Nov. 2019 See More

Word History

Etymology

New Latin axon, from Greek axōn

First Known Use

1895, in the meaning defined above

Time Traveler
The first known use of axon was in 1895
BNC: 29793 COCA: 27633

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