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An orthodromic impulse runs along an axon in its anterograde direction, away from the soma.[1]

In the heart, orthodromic may also refer to an impulse going in the correct direction from the dendrites to axon terminal (from the atria to the ventricles) in contrast to some impulses in re-entry.

See also[edit]


  1. ^ EYZAGUIRRE, C; KUFFLER, SW (Sep 20, 1955). "Further study of soma, dendrite, and axon excitation in single neurons.". The Journal of General Physiology. 39 (1): 121–53. PMC 2147522Freely accessible. PMID 13252238. doi:10.1085/jgp.39.1.121. Retrieved 28 December 2012.