Definition of orthodromic in English:

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Pronunciation: /ˌôrTHəˈdrämik/


(Of an impulse) traveling in the normal direction in a nerve fiber. The opposite of antidromic.
Example sentences
  • A 55-year-old woman with a history of recurrent orthodromic AV-nodal re-entry tachycardia was admitted for electrophysiologic evaluation.
  • Sensory nerve-conduction velocities in the median and ulnar nerves were assessed with the orthodromic method.
  • An orthodromic impulse runs along an axon in its normal direction, away from the soma.


1940s: from ortho- 'right, correct' + Greek dromos 'running' + -ic.

For editors and proofreaders

Syllabification: or·tho·drom·ic

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