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affecting conductivity of a nerve fiber.
dromotropic/drom·o·tro·pic/ (-tro´pik) affecting conductivity of a nerve fiber.
an agent that influences the conduction of electrical impulses. A positive dromotropic agent enhances the conduction of electrical impulses to the heart.
Influencing the velocity of conduction of excitation, as in nerve or cardiac muscle fibers.
[G. dromos, a running, + tropē, a turn]
pertaining to dromotropy.