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antidromic

   Also found in: Dictionary/thesaurus, Wikipedia 0.04 sec.
antidromic /an·ti·drom·ic/ (an?ti-drom´ik) conducting impulses in a direction opposite to the normal.
an·ti·drom·ic (nt-drmk)
adj.
Relating to the propagation of an impulse along an axon in a direction that is the reverse of normal.

antidromic
conducting impulses in a direction opposite to the normal.

antidromic vasodilator impulses
produced artificially by electrical stimulation of the peripheral end of a cut dorsal nerve root.

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[72] This, however, does not detract from the fact that Ebenbichler et al[54] reported a difference in outcome for those treated with ultrasound (outcome measures provided: subjective symptom score for main complaint and sensory loss; electroneurographic measurements of median motor nerve distal latency, antidromic sensory nerve conduction rate, and peak-to-peak amplitude; and physical function levels, including strength of handgrip and of finger pinch).
Motor responses were orthodromic, whereas sensory responses were antidromic.
This behavior results because large-amplitude electrical current stimulates both efferent fibers and la afferent fibers; the Ia afferent nerve fibers conduct the reflex wave faster than the antidromic signal is conducted in the alpha motoneuron fibers.
 
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