Medical term:
conduction
conduction
[kon-duk´shun]conveyance of energy, as of heat, sound, or electricity.
aberrant ventricular conduction the temporary abnormal intraventricular conduction of supraventricular impulses; called also ventricular aberration.
aerial conduction (air conduction) conduction of sound waves to the organ of hearing in the inner ear through the air.
anterograde conduction
1. forward conduction of impulses through a nerve.
2. in the heart, conduction of impulses from atria to ventricles.
atrioventricular conduction (AV conduction) the conduction of atrial impulses through the atrioventricular node and the His-Purkinje system to the ventricles.
bone conduction conduction of sound waves to the inner ear through the bones of the skull.
concealed conduction conduction that is not seen on the surface electrocardiogram but may be detected by its effect on subsequent impulses; common examples are the incomplete penetration of the AV junction during atrial fibrillation, the Wenckebach type penetration during atrial flutter, and the retrograde incomplete penetration following ventricular ectopic beats.
decremental conduction a gradual decrease in the stimuli and response along a pathway of conduction; it occurs in nerve fibers with reduced membrane potentials.
retrograde conduction transmission of a cardiac impulse backward in the ventricular to atrial direction; particularly, conduction from the atrioventricular node into the atria.
saltatory conduction the rapid passage of an electric potential between the nodes of ranvier in myelinated nerve fibers, rather than along the full length of the membrane.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
con·duc·tion
(kon-dŭk'shŭn),1. The act of transmitting or conveying certain forms of energy, such as heat, sound, or electricity, from one point to another, without evident movement in the conducting body.
2. The transmission of stimuli of various sorts by living protoplasm.
[L. con- duco, pp. ductus, to lead, conduct]
Farlex Partner Medical Dictionary © Farlex 2012
conduction
Cardiac pacing The passage of an electrical charge; the active propagation of a depolarization wave in the heart Physiology The transmission of nerve impulses. See Retrograde conduction.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
con·duc·tion
(kŏn-dŭk'shŭn)1. The act of transmitting or conveying certain forms of energy, such as heat, sound, or electricity, from one point to another, without evident movement in the conducting body.
2. The transmission of stimuli of various sorts by living protoplasm.
3. The process by which a nerve impulse is transmitted.
[L. con-duco, pp. ductus, to lead, conduct]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
conduction
the transmission of an electrical current by a conductor.Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005
con·duc·tion
(kŏn-dŭk'shŭn)Transmitting or conveying energy, from one point to another, without evident movement in conducting body.
[L. con-duco, pp. ductus, to lead, conduct]
Medical Dictionary for the Dental Professions © Farlex 2012
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