An orthodromic impulse runs along an axon in its normal or anterograde direction, away from the soma. 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. ...
• (a.) Of or pertaining to orthodromy.
Denoting the propagation of an impulse along an axon in the normal direction. ... Compare: antidromic. ... Synonym: dromic. ... Origin: ortho-+ G. Dromos, course ... (05 Mar 2000) ... 
(or″tho-dro´mik) conducting impulses in the normal direction; said of nerve fibers.
Or`tho·drom'ic adjective [ Ortho- + Greek ... to run.] Of or pertaining to orthodromy. 
Type: Term Pronunciation: ōr′thō-drō′mik Definitions: 1. Denoting the propagation of an impulse along a conduction system (nerve fiber) in the direction it normally travels.
orthodromic 1. Concerning movement of impulses in their normal direction. 2. A reference to nerve impulses moving in a normal direction.