chronotropism

chronotropism definition - medical

chro·not·ro·pism (krə-nŏtˈrə-pĭzˌəm)

noun
The modification of the rate of a periodic movement, such as the heartbeat, through some external influence.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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